Oxyanthus lepidus S.Moore

Species

Angiosperms > Gentianales > Rubiaceae > Oxyanthus

Characteristics

Shrub or small tree 2–7 m. tall; young branches often strongly grooved, glabrous.. Leaf-blades elliptic or less often broadly elliptic, 4–15.4 cm. long, 1.5–5.8 cm. wide, distinctly acuminate at apex, acute to cuneate at base, chartaceous, dull or moderately glossy above, midrib and lateral nerves raised on both faces, tertiary nerves indistinct, entirely glabrous or finely pubescent beneath; domatia present; petiole 2–7 mm. long, glabrous or sparsely pubescent; stipules triangular at base, linear to subulate above, 0.7–1.7 cm. long, 3–6 mm. wide at base.. Inflorescence 2–4(–7)-flowered; peduncle up to 3(–4) mm. long; pedicels up to 5 mm. long; bracts and bracteoles lanceolate, 5–6 mm. long, ciliate or pubescent Calyx glabrous; tube 2.5–3.5 mm. long; limb-tube 1.5–2.5 mm. long, wider than tube; lobes triangular at base, linear above, 3–4 mm. long.. Corolla-tube 10.2–15 cm. long, 1.5–2 mm. wide; lobes oblong, 2–2.3(–3.2) cm. long, 2–3 mm. wide, acuminate.. Fruit yellow when ripe, ellipsoid to ovoid, 2.2–7.5 cm. long, 1.1–1.5 cm. wide; calyx-limb persistent.. Seeds straw-coloured or light to dark brown, thin, 5 mm. long, striated.
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Leaf blades 4–15.4 × 1.5–5.8 cm, elliptic or less often broadly elliptic, distinctly acuminate at apex, acute to cuneate at base, chartaceous, drying green, somewhat paler on lower surface, dull or moderately glossy on upper surface, entirely glabrous or finely pubescent beneath or with coarser hairs along the midrib; midrib crested above, prominent beneath, straw-coloured when dry; lateral nerves in 5–6 main pairs, raised on both surfaces; tertiary nerves coarsely reticulate, apparent to indistinct; domatia present; petiole 2–7 mm long, glabrous or sparsely pubescent; stipules 7–17 mm long, 3–6 mm wide at base, triangular at base, abruptly curving to a linear to subulate lobe, mid-nerve apparent.
Inflorescence borne at up to 6 successive nodes, or sometimes excluding the apical one, or sometimes at top 2 nodes only, 2–4(7)-flowered; peduncle up to 3(4) mm long; pedicels up to 5 mm long; bracts/bracteoles 5–6 mm long, lanceolate, ciliate or pubescent.
Calyx glabrous; tube 2.5–3.5 mm long; limb-tube 1.5–2.5 mm long, wider than tube; lobes 3–4 mm long, triangular at base, linear above.
Pollen presenter up to 6 mm long, fusiform or narrowly spindle-shaped, drawn out at apex.
Fruit yellow when ripe, 2.2–7.5 × 1.1–1.5 cm, ellipsoid to ovoid; calyx limb persistent.
Anthers exserted, apiculate at apex, apiculum 0.3–0.5 mm long, shortly hastate at base.
Corolla tube (8.5)10.2–15 cm × 1.5–2 mm; lobes 2–3.3 cm × 2–3 mm, oblong, acuminate.
Shrub or small tree 2–7 m tall; young branches often strongly grooved, glabrous.
Seeds straw-coloured or light to dark brown, thin, 5 mm long, striated.
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Sexuality hermaphrodite
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Mature height (meter) 2.0 - 7.0
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Hardiness (USDA) 9-12

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Cultivation

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Distribution

Oxyanthus lepidus world distribution map, present in Burkina Faso, Ethiopia, Mozambique, Sudan, Tanzania, United Republic of, Uganda, and Zambia

Conservation status

Oxyanthus lepidus threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:758785-1
WFO ID wfo-0000261784
COL ID 6TGGK
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Oxyanthus lepidus Oxyanthus lepidus var. lepidus

Lower taxons

Oxyanthus lepidus subsp. lepidus Oxyanthus lepidus subsp. kigogoensis