Kraussia floribunda Harv.

Species

Angiosperms > Gentianales > Rubiaceae > Kraussia

Characteristics

Tree or shrub, 0.6-4.0 m high. Leaves petiolate, oblong or somewhat lanceolate, obtuse to acuminate; stipules triangular, acuminate. Flowers in simple, axillary, bracteolate cymes, pedunculate. Calyx: tube shallowly campanulate, glabrous to puberulous; divided nearly to base into 4-6 triangular lobes. Corolla 5-lobed, white; tube campanulate, villous within. Stamens 5, in corolla mouth, exserted. Disc annular. Ovary 2-locular, with 1 or 2 pendulous ovules per locule; style short, thick, cylindric; stigmatic club long, fusiform, with 10 membranous, narrow, undulate, ciliate wings, exserted. Flowering time Oct.-Jan. Fruit blue-black, globose, ± size of pea, somewhat fleshy, with many, succulent, red granules; calyx lobes persistent. Seeds 2-6, ± ovoid, finely reticulate.
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It can be a low shrub on sand dunes or a tree up to 6 m high on better soils. The branches are long and flexible. The leaves are simple and opposite. They are smooth and thin. They can be 10 cm long and sword shaped. It has many flowers. The flowers are small and creamy-white. They occur in branching heads on long slender stalks. They have a small leafy growth at the base. The fruit are small and black when ripe. They are 8 mm across. They are edible.
Leaf blades 4–11.5 × 1.2–4 cm, elliptic, elliptic-ovate or oblong-elliptic, tapering to an acuminate or acute apex, rounded to cuneate at the base, glabrous but with pit-like domatia in the nerve axils beneath; petiole 1–5 mm long; stipules triangular, hairy inside with an apiculus 2–3 mm long.
Shrub or tree, up to 5 m high. Leaves elliptic, with domatia on lower surface, apex acute to acuminate, base cuneate to broadly cuneate. Cymes axillary. Calyx lobes almost free to base, triangular. Corolla throat hairy, tube 4 mm long, lobes 6-7 mm long. Fruit a drupe. Flowers white to cream.
Corolla creamy-white, rarely yellow; tube 3–4 mm long, 3–5 mm wide at top, funnel-shaped to campanulate; lobes 5–6.5 × 2.5–4 mm, rounded to obtuse.
Flowers in complicated dichasial cymes 2–3 cm long; peduncle 1.5–2 cm long; pedicels up to 9 mm long; bracts 2–3 mm long, folded, lanceolate.
Shrub or small tree 1–4(6) m tall with fairly smooth grey to brownish bark, glabrous.
Calyx lobes c. 1 mm long, triangular or ovate, obtuse to shortly acuminate.
Seeds 1 or 2 per locule, up to 7 mm long, hemispherical or segment-shaped.
Fruit purplish to black, 7–8 mm in diameter.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.8 - 4.5
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Flower color
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Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a tropical plant. It grows in coastal and inland forest. It is common on sand dunes.
Light -
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Hardiness (USDA) 9-12

Usage

The fruit are eaten raw.
Uses material medicinal
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown from seeds.
Mode seedlings
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Images

Kraussia floribunda unspecified picture

Distribution

Kraussia floribunda world distribution map, present in Mozambique, eSwatini, and South Africa

Conservation status

Kraussia floribunda threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:754778-1
WFO ID wfo-0000221471
COL ID 6NMMT
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Kraussia schlechteri Kraussia floribunda Kraussia incerta Tricalysia floribunda Coffea kraussiana Rhabdostigma schlechteri Psychotria oblongifolia Tricalysia kraussiana