Flora Zambesiaca

Keys

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Key to Ficus sect. Galoglychia


1 a Figs with a peduncle at least 2 mm. long
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b - Figs sessile or subsessile
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2 a Figs on distinct spurs 5?50(150) mml. long, borne on older wood (in F. ottoniifolia sometimes on branchlets up to the leaf axils); figs at least 10 mm. in diam. when dry
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b - Figs not on spurs, or on minute spurs 1 -2 mm. long borne in the leaf axils and/or just below the leaves and then figs at most 10 mm. in diam. when dry
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3 a Basal bracts persistent (or subpersistent) (see TAB. 16, figs. 2. 4. 5)
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b - Basal bracts caducous
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4 a Stipules with short, white, appressed hairs; leaves usually minutely puberulous on the main veins beneath (long stipules on new-flush growth with patent hairs)
FZ account for Ficus chirindensis
b - Stipules glabrous (or with minute, patent hairs or distinctly ciliolate); leaves (except sometimes midrib) glabrous beneath
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5 a Figs ellipsoid, if globose then at most 15 mm. in diam. when dry, mostly smooth
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b - Figs globose, 15?30 mm. in diam. when dry, mostly wrinkled
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6 a Leaf 8?16 cm. long, base acute to obtuse
FZ account for Ficus ottoniifolia subsp. ulugurensis
b - Leaf 2?9 cm. long, base cordulate to rarely rounded
FZ account for Ficus tremula
7 a Peduncle 5?10(11) mm. long; petiole 2?4 mm. thick when dry; apex of the thickly coriaceous lamina rounded or very shortly and bluntly acuminate
FZ account for Ficus bubu
b - Peduncle (9)10?20 mm. long; petiole 1?2(3) mm. thick when dry; apex of the coriaceous to subcoriaceous lamina usually acuminate
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8 a Fig-bearing spurs more than 1 cm. long, mostly 5?15 cm. long, their bud scales ± densely puberulous; midrib and petiole usually drying red-brown
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b - Fig-bearing spurs up to 1 cm. long, their bud scales glabrous; midrib and petiole usually drying blackish
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9 a Stipules ciliolate; fig-bearing spurs usually up to c. 5 cm. long
FZ account for Ficus sansibarica subsp. sansibarica
b - Stipules not ciliolate; fig-bearing spurs usually up to c. 10(15) cm. long
FZ account for Ficus sansibarica subsp. macrosperma
10 a Leaf lateral veins 5?8(9) pairs; figs 2?4 cm. in diam. when dry
FZ account for Ficus polita subsp. polita
b - Leaf lateral veins (8)10?12 pairs; figs 1?1.5 cm. in diam. when dry
FZ account for Ficus polita subsp. brevipedunculata
11 a Stipules with short, white, appressed hairs (but not ciliolate); leaf usually minutely puberulous on the main veins beneath (long stipules on new-flush growth with patent hairs)
FZ account for Ficus chirindensis
b - Stipules glabrous (or with minute, patent hairs or distinctly ciliolate); leaf (except sometimes midrib) glabrous beneath
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12 a Figs globose, 15?35 mm. in diam. when dry, mostly wrinkled
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b - Figs ellipsoid, if globose then at most 15 mm. in diam. when dry, mostly smooth
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13 a Stipules ciliolate; fig-bearing spurs usually up to c. 5 cm. long
FZ account for Ficus sansibarica subsp. sansibarica
b - Stipules not ciliolate; fig-bearing spurs usually up to c. 10(15) cm. long
FZ account for Ficus sansibarica subsp. macrosperma
14 a Petiole (1)1.5?2 mm. thick when dry; peduncle 1?1.5 mm. thick when dry, if 0.5?1 mm. thick then leaf base acute to obtuse or the lamina 8?16 cm. long
FZ account for Ficus ottoniifolia subsp. macrosyce
b - Petiole 0.5?1 mm. thickwhen dry; peduncle 0.5?1 mm. thick when dry; leaf base rounded to cordulate; lamina 2?9 cm. long
FZ account for Ficus tremula
15 a Stipules persistent or subpersistent
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b - Stipules caducous
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16 a Stipules basally connate, 15?30 mm. long; figs at least 20 mm. in diam. when dry
FZ account for Ficus cyathistipula
b - Stipules free, 5?15 mm. long; figs at most 10 mm. in diam. when dry
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17 a Petiole 2?10(15) mm. long; leaf glabrous, midrib not reaching leaf apex
FZ account for Ficus lingua
b - Petiole 10?40(60) mm. long (if less than 10 mm. then leaf ± hairy), midrib reaching leaf apex
FZ account for Ficus thonningii
18 a Tertiary venation of leaf ± perpendicular to the lateral veins (scalariform, see TAB. 16, fig. 27); basal pair of veins strongly branched on the lower side; leaf base often cordate and/or the lower surface hairy
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b - Tertiary venation of the leaf± strongly reticulate or predominantly parallel to the lateral veins (TAB. 16, figs. 28, 29); basal pair of veins usually unbranched; leaf base usually cuneate to rounded and/or the lower surface glabrous
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19 a Lateral veins 3?7 pairs
FZ account for Ficus glumosa
b - Lateral veins 7?16 pairs
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20 a Leaf ± as long as broad, cordiform to subreniform or broadly ovate; basal bracts caducous
FZ account for Ficus abutilifolia
b - Leaf distinctly longer than broad, ovate to oblong or elliptic; basal bracts persistent
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21 a Leaf lateral veins 7?11 pairs; stipules 1.5?4.5(8) cm. long
FZ account for Ficus trichopoda
b - Leaf lateral veins 10?16 pairs; stipules 0.5?1.2 cm. long
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22 a Peduncle 10?25 mm. long; conspicuous bud-cover absent; figs subglobose, if ellipsoid then up to 10 mm. in diam. when dry
FZ account for Ficus bussei
b - Peduncle up to 5 mm. long; calyptrate bud-cover up to 15 mm. long (TAB. 16, fig. 21); figs ellipsoid, if subglobose then more than 10 mm. in diam. when dry
FZ account for Ficus ovata
23 a Basal bracts caducous
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b - Basal bracts persistent
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24 a Figs 3?4 mm. in diam. when dry; leaf lamina 0.5?5 cm. long; petiole 2?8 mm. long
FZ account for Ficus lingua
b - Figs 5?20 mm. in diam. when dry; leaf lamina mostly more than 5 cm. long; petiole mostly more than 10 mm. long
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25 a Leaf midrib not reaching apex of the lamina; apex bluntly and shortly acuminate to rounded or emarginate; lamina mostly 2.5?9 cm. long
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b - Leaf midrib reaching apex of the lamina; apex acuminate to acute; lamina mostly 10?20 cm. long
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26 a Figs 15?20 mm. in diam. when dry; leaf ovate to elliptic
FZ account for Ficus fischeri
b - Figs 5?10 mm. in diam. when dry; leaf usually lanceolate to linear or oblong
FZ account for Ficus barteri
27 a Figs 8?15 mm. in diam. when dry; leaves usually oblong to elliptic or subobovate; stipules glabrous or puberulous; basal bracts caducous
FZ account for Ficus natalensis subsp. natalensis
b - Figs 5?10 mm. in diam. when dry; leaves usually broadly obovate to obtriangular; stipules usually subsericeous or hirtellous; basal bracts caducous or subpersistent
FZ account for Ficus natalensis subsp. leprieurii
28 a Figs 10?20(25) mm. in diam. when dry
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b - Figs 3?12(15) mm. in diam. when dry
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29 a Leaf lateral veins 3?7 pairs; basal veins usually branching (TAB. 16, fig. 25)
FZ account for Ficus glumosa
b - Leaf lateral veins (5)7?18 pairs; basal veins unbranched
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30 a Petiole 2?3 mm. thick; leaf mostly 10?20 cm. long; figs 3?4.5 cm. in diam. when fresh
FZ account for Ficus scassellatii
b - Petiole 1?2 mm. thick; leaf mostly 5?10 cm. long; figs at most 2 cm. in diam. when fresh
FZ account for Ficus thonningii
31 a Figs 3?4 mm. in diam. when dry; peduncle up to 5 mm. long; petiole 2?5 mm. long, 0.5?1 mm. thick
FZ account for Ficus lingua
b - Figs 4?12(15) mm. in diam. when dry; peduncle more than 5 mm. long; petiole more than 8 mm. long and/or 1?2(2.5) mm. thick
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32 a Leaf lateral veins (5)7?12(16) pairs
FZ account for Ficus thonningii
b - Leaf lateral veins 3?7 pairs
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33 a Twigs and leaves (especially below) usually hairy, if glabrous then leaves cordate; twigs 2?6 mm. thick; periderm on older parts of leafy twigs flaking off
FZ account for Ficus glumosa
b - Twigs and leaves usually glabrous; twigs 1.5?3 mm. thick; peridenn on older parts of leafy twigs not flaking off
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34 a Leaf lateral veins (3)5?6(7) pairs; mature figs blackish or dark brown; plants from southern Mozambique
FZ account for Moraceae
b - Leaf lateral veins (5)6?7 pairs; mature figs reddish or yellowish; plants of northwest Zambia
FZ account for Ficus natalensis subsp. leprieurii
35 a Leaf glabrous beneath
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b - Leaf hairy beneath
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36 a Lateral veins 10?14 pairs
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b - Lateral veins 4?10 pairs
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37 a Figs usually ellipsoid to ovoid, 10?40 mm. in diam. when dry; the calyptrate bud cover up to 15 mm. long, at first enveloping the young fig (TAB. 16, fig. 21)
FZ account for Ficus ovata
b - Figs subglobose, 5?10(15) mm. in diam. when dry; the calyptrate bud cover minute, at first ± enveloping the young fig, or not
FZ account for Ficus thonningii
38 a Epidermis of the petiole flaking off when dry
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b - Epidermis of the petiole not flaking off
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39 a Petiole 1?2 mm. thick when dry; basal bracts 1.5?2 mm. long
FZ account for Ficus ardisioides subsp. camptoneura
b - Petiole 2?4(8) mm. thick when dry; basal bracts 3?6 mm. long
FZ account for Ficus lutea
40 a Midrib not reaching the apex of the lamina
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b - Midrib reaching the apex of the lamina
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41 a Leaf apex often truncate to ± emarginate; leaves often subopposite; figs initially enveloped by a calyptrate bud-cover up to c. 10 mm. long (TAB. 16, fig. 21); the bud-cover halves and the stipules subpersistent
FZ account for Ficus craterostoma
b - Leaf apex acuminate to rounded; leaves occasionally subopposite; figs initially enveloped by a minute bud-cover, or not so
FZ account for Ficus thonningii
42 a Lateral veins (5)7?12(16) pairs
FZ account for Ficus thonningii
b - Lateral veins 3?7 pairs
go to  43
43 a Base of the lamina cordate (to rounded)
FZ account for Ficus glumosa
b - Base of the lamina acute to obtuse
FZ account for Ficus ardisioides subsp. camptoneura
44 a Epidermis of the petiole flaking off when dry
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b - Epidermis of the petiole not flaking off
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45 a Leaf almost as long as wide; main basal lateral veins reaching the leaf margin near the middle of the lamina
FZ account for Ficus wakefieldii
b - Leaf distinctly longer than wide; main basal lateral veins reaching the margin far below the middle of the lamina
FZ account for Ficus lutea
46 a Main basal lateral veins (faintly) branched; base of the lamina usually subcordate
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b - Main basal lateral veins unbranched (TAB. 16, fig. 26)
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47 a Reticulum of the lamina beneath inconspicuous and plane
FZ account for Ficus glumosa
b - Reticulum of the lamina beneath conspicuous and prominent
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48 a Leaf subreniform, cordiform or broadly ovate
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b - Leaf oblong, elliptic or ovate
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49 a Stipules 10?15 mm. long
FZ account for Ficus muelleriana
b - Stipules 2?6 mm. long
FZ account for Ficus tettensis
50 a Petiole 0.5?1 mm. thick when dry; figs 5?10 mm. in diam. when dry
FZ account for Ficus nigropunctata
b - Petiole (1)2?3 mm. thick when dry; figs (7)10?15 mm. in diam. when dry
FZ account for Ficus stuhlmannii
51 a Reticulum of the leaf beneath prominent
FZ account for Ficus stuhlmannii
b - Reticulum of the leaf beneath plane or slightly prominent
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52 a Lateral veins 3?7 pairs
FZ account for Ficus glumosa
b - Lateral veins (5)7?12(16) pairs
FZ account for Ficus thonningii