Grewia holstii Burret

Species

Angiosperms > Malvales > Malvaceae > Grewia

Characteristics

Shrub to 4 m tall, sometimes scandent to 10 m tall, with flat spreading branches; old branches fluted, 3–4-angled with bases of old branches appearing like blunt thorns.. Leaves elliptic to ovate-elliptic, 2.5–7(–12) cm long, 1.3–2.7(–3.7) cm wide, acute to acuminate at the apex, slightly cordate to truncate at the base, margin serrate, undulating, glossy green and concolorous, sometimes reddish when new, lamina dotted with stellate hairs above, slightly denser beneath especially on the veins; petiole 2–3.5(–8) mm long.. Inflorescence a 3-flowered cyme, 1–2 in a leaf-axil; peduncle 4–6 mm long; pedicels 4–8 mm long.. Flowers yellow, greyish to reddish green on the outside; sepals 7–11 mm long; petals 4–7 mm long, acute at the apex, sometimes reddish at the base.. Androgynophore 1 mm long, glabrous, cupped at the apex.. Stamens 6–7 mm long, yellow.. Ovary densely pubescent; style 6 mm long, yellow, glabrous; stigma greenish.. Fruit obovate to subglobose, 8–11 mm long, 7–11 mm wide, unlobed or slightly 2-lobed, dark green becoming cream or brown when old.. Fig. 3/28 (leaf, p. 9).
More
Leaf-lamina 3–6 × 1·5–3 cm., elliptic or lanceolate-elliptic, acute to acuminate at the apex, margin serrate, rounded or subcordate at the base, subglabrous, with minute scattered appressed-stellate hairs on both sides; petiole 0·2–0·3 cm. long, pubescent; stipules up to 5 mm. long, subulate to linear, slightly pubescent.
A shrub or small tree. It grows 10 m high. The stem is fluted and grey. The leaves are oval and 8 cm long. There are teeth along the edge. The flowers are yellow and there are usually 3 flowers in a group in the axils of leaves. The fruit is round, shiny and mottled. They are 6 mm across.
Shrub or small tree up to 8 m. tall or liane climbing over tall trees; young branches pubescent, soon becoming glabrous; older stems 3–4-angled, blackish and sometimes developing stout spine-like bosses.
Petals yellow, slightly shorter than the sepals, glabrous except for the nectariferous base, which is up to 1 mm. long circumvillous within and setose-pubescent on the back.
Inflorescences all axillary; peduncles c. 5 mm. long, slightly pubescent; pedicels usually 3 together, c. 5 mm. long, slightly pubescent.
Sepals up to 1·2 cm. long, linear-oblong, sparsely pubescent and greenish outside, yellow and glabrous within.
Ovary ovoid, pubescent, not at all lobed; style c. 7 mm. long, glabrous, with 4 subulate stigma-lobes.
Androgynophore 1 mm. long, glabrous and shallowly cup-like at the apex, clasping the ovary.
Fruit 5–8 mm. in diam., globose, not lobed, yellowish, very minutely stellate-pubescent.
Flower-buds oblong, hardly swollen at the base.
Life form -
Growth form
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 8.0
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Flower color
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Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a tropical plant. It grows in the lowlands.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses material medicinal
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
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Images

Habit

Grewia holstii habit picture by susan brown (cc-by-sa)

Leaf

Grewia holstii leaf picture by susan brown (cc-by-sa)
Grewia holstii leaf picture by susan brown (cc-by-sa)
Grewia holstii leaf picture by susan brown (cc-by-sa)

Flower

Grewia holstii flower picture by susan brown (cc-by-sa)
Grewia holstii flower picture by susan brown (cc-by-sa)
Grewia holstii flower picture by susan brown (cc-by-sa)

Fruit

Grewia holstii fruit picture by susan brown (cc-by-sa)
Grewia holstii fruit picture by susan brown (cc-by-sa)
Grewia holstii fruit picture by susan brown (cc-by-sa)

Distribution

Grewia holstii world distribution map, present in Kenya, Mozambique, and Tanzania, United Republic of

Conservation status

Grewia holstii threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:834281-1
WFO ID wfo-0000709990
COL ID 3HDBH
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Vincentia holstii Vinticena holstii Grewia holstii