Grewia micrantha Bojer

Species

Angiosperms > Malvales > Malvaceae > Grewia

Characteristics

Shrub or small tree to 7 m tall; young branches coarsely ferruginous-pubescent.. Leaves elliptic to ovate-elliptic, 2.3–8.6 cm long, 1.3–3.8 cm wide, acute at the apex, rounded and very asymmetric at the base, margin clearly sharply serrate, ± glabrous to scattered minutely pubescent above especially when young, densely whitish pubescent with brownish veins beneath; petiole 2–8 mm long, densely pubescent, sometimes coarsely ferruginously so; stipules subulate to ovate, up to 7 mm long.. Inflorescence a (1–)3(–5)-flowered cyme, 1–3 in a leaf axil, the axes densely stellate-pubescent; bracts ovate to ovate-lanceolate, up to 6 mm long, entire, bifid or trifid; peduncles 6–15 mm long; pedicels 4–11 mm long.. Flowers yellow; sepals 6–11 mm long, grey-green outside, yellow to orange-red inside; petals oblong to obovate-oblong, 4–7 mm long, 1.5–2 mm wide, acute or slightly bifid at the apex, yellow to orange.. Androgynophore ± absent or up to 1.5 mm long, glabrous, densely hairy at the apex.. Stamens 5–6 mm long.. Ovary 1–1.5 mm long, densely hairy; style 5–6 mm long.. Fruit 2-lobed, or less often unlobed by abortion, the lobes 5–7 mm long, 4–6 mm in diameter, shortly stellate-hairy.. Fig. 4/37 (leaf, p. 11).
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Leaf-lamina 2·5–9 × 1·2–4·8 cm., ovate-oblong or elliptic, apex rounded or acute, margins serrate, rounded or asymmetrically cordate at the base, sparsely stellate-pubescent above or glabrous, finely reticulate-rugose, older leaves somewhat shiny, closely appressed-whitish-tomentose between the nerves below, the nerves themselves brownish and sub-glabrous, except for tufts of scattered longer and darker hairs; petiole up to 7 mm. long, ferruginously pubescent; stipules c. 5 mm. long, subulate, coarsely brown-hirsute.
A shrub. It grows 2-5 m tall. The branches droop. The leaves are oblong. They are 8 cm long. The base is rounded or heart-shaped. The leaves have 3 veins from the base. The flowers are yellow. They are produced in the axils of leaves. The fruit are yellow and 7 mm across. They have two lobes. The fruit are edible.
Inflorescences all axillary, on coarsely brown-hairy peduncles up to 1·5 cm. long, 1 or sometimes 2–3 peduncles per axil; pedicels normally 3 per peduncle, c. 0·5 cm. long, coarsely brown-hairy; bracts 3–4 mm. long, linear-oblong to oblong, entire or bifid or trifid at the apex, tomentose.
Petals yellow, about half the length of the sepals, oblong to obovate, often 2-dentate at the apex, basal claw either with circumvillous nectary within, or often absent and replaced by a small tuft of hairs at the cuneate petal base.
Androgynophore, in specimens with nectaries, glabrous and 1 mm. long with a villous apex, in specimens with nectaries absent glabrous portion of androgynophore absent or almost so and ovary almost sessile on a villous cushion.
Shrub or small tree up to 8 m. tall; young branchlets ferruginously tomentose, becoming grey or brownish with paler lenticels.
Sepals up to 0·8 cm. long, linear-oblong, coarsely stellately hairy outside, yellow and glabrous within.
Ovary shallowly 2-lobed, villous; style c. 5 mm. long, glabrous; stigma with about 4 broad lobes.
Fruit yellowish, deeply 2-lobed or 1-lobed by abortion, each lobe c. 7 mm. in diam., pubescent.
Flower-buds oblong-ovoid.
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Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
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Mature height (meter) 6.5
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Photosynthetic pathway c3

Environment

A tropical plant. It grows at low to medium altitude in open woodland in South Africa. It grows between 50-750 m above sea level. It can grow in arid places.
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Open forests, thickets and Acacia or Commiphora bushland; at elevations from 50-750 metres.
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Usage

The fruit are eaten raw.
Uses food gene source material medicinal
Edible fruits
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Cultivation

Can be grown by cuttings or seedlings. Seeds needs soaking.
Mode cuttings seedlings
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Germination treatment soaking
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Distribution

Grewia micrantha world distribution map, present in Tanzania, United Republic of and Uganda

Identifiers

LSID urn:lsid:ipni.org:names:834373-1
WFO ID wfo-0000710093
COL ID 6KSLN
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Grewia aurantiaca Grewia gonioclinia Grewia micrantha