Sericanthe suffruticosa (Hutch.) Robbr.

Species

Angiosperms > Gentianales > Rubiaceae > Sericanthe

Characteristics

Leaves deciduous; blades 3.2–7.5(9.5) × 1.1–3(4.5) cm, narrowly obovate or obovate, obtuse to very shortly acuminate or rounded or truncate and then sometimes emarginate or mucronulate at the apex, cuneate at the base, stiffly chartaceous to subcoriaceous, both surfaces ± glabrous or with a few scattered hairs becoming denser towards the margin, somewhat shiny on upper surface; midrib hairy on both sides, usually drying somewhat cream-coloured, prominent beneath; lateral nerves in 5–8 main pairs; tertiary nerves discolorous and slightly raised on both surfaces; domatia absent or inconspicuous; bacterial nodules several, 1–15 mm long and linear or sometimes punctiform; petiole 1–3(4) mm long, pubescent; stipules with limbs forming a sheath, rather thin in texture, 1–2 mm long, truncate or broadly triangular, glabrous outside, hairy inside, bearing stiff awns 2–3 mm long, glabrous or occasionally with a few hairs.
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Flowers sweet-scented, (5)6–8-merous, 1–2(3) usually borne at nodes from which the leaves have fallen, subsessile or with a peduncle 1 mm long, or sometimes with a few solitary flowers terminal on woody spurs up to 10 mm long; bract and bracteoles cupular, 3, 1–3 mm high, each with 2 unequal pairs of awns, puberulous outside.
Corolla covered in silky hairs outside; tube 7–12 mm long, inside with upper part villose except for throat, 1.5–3 mm in diameter; lobes 5–10(12) × 2–3(4) mm, ± truncate and rather irregular at the apex, acuminate but acumen not central in mature lobes.
Calyx tube densely covered with silky hairs; limb 4–5(6) mm long, ellipsoid and closed in bud, with an apiculate tip up to 1(2) mm long, splitting into 2–3 lobes when the corolla opens, occasionally translucent, with silky hairs outside, shiny inside.
Rhizomatous subshrub, 10–50 (100) cm high; young stems pubescent with upwardly appressed hairs; older stems covered with dark red-brown bark.
Pollen presenter level with or borne clearly above the anther tips, lobes c. 1–1.5 mm long; placenta with 2 basal-lateral immersed ovules.
Style 14–16 mm long, pubescent or becoming sparsely pubescent towards the apex, occasionally glabrous.
Fruit orange or red, 1–1.5 cm in diameter; supporting stalks 2–4 mm long.
Filaments 0.5–1 mm long, glabrous; anthers 3.6–4.6 mm long.
Seeds 5–6 mm across.
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Growth form subshrub
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Foliage retention deciduous
Sexuality hermaphrodite
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Cultivation

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Distribution

Sericanthe suffruticosa world distribution map, present in Angola and Zambia

Identifiers

LSID urn:lsid:ipni.org:names:766314-1
WFO ID wfo-0000309597
COL ID 6YHD5
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Tricalysia suffruticosa Neorosea suffruticosa Tricalysia pachystigma var. praecox Sericanthe suffruticosa