Hymenocoleus rotundifolius (a.Chev. ex Hepper) Robbr.

Species

Angiosperms > Gentianales > Rubiaceae > Hymenocoleus

Characteristics

Creeping herb with stems 10–40 cm. long, at first adpressed hairy, later glabrescent, rooting at the nodes.. Leaves congested towards the apices of the stems; blades rounded, elliptic-ovate or elliptic-oblong, 3.5–6 cm. long, 1.9–4 cm. wide, acute or subacute to ± obtuse or rounded at the apex, shallowly narrowly cordate or rarely cuneate at the base, glabrous above except for hairy midnerve or pubescent to hairy all over upper surface, pubescent or hairy beneath; petiole 0.2–2(–3.5) cm. long, hairy; stipules membranous, green, ovate or triangular, 3–7.5(–10) mm. long, 2–3.5 mm. wide, shortly bifid at the apex, with ciliate margins.. Flowers probably showing reduced heterostyly, ± 12 in capitate inflorescences ± 1–1.5 cm. in diameter; peduncle 0–5 mm. long; bract cupuliform, forming an involucre 0.9–1.1 cm. long, undulate, erose or lobed, the lobes 5 mm. long, 1.5 mm. wide, pubescent, the margins ciliate.. Calyx ± 7 mm. long, the tubular part 5–6 mm. long; lobes ± 1 mm. long, recurved, margins ciliate.. Corolla white; tube funnel-shaped, 7–8 mm. long; lobes ovate, 1.5 mm. long, 0.6 mm. wide.. Anthers sessile at the top of the tube.. Stigma 2-lobed.. Berries orange; pyrenes yellow-brown, subglobose, 3 mm. long, 2.6 mm. wide, 2.2 mm. thick, with a narrow deep slit on the ventral side.. Seeds yellow-brown, subglobose, 2.5 mm. long, 2.2 mm. wide, with 1 deep U-shaped hilar groove.
Life form -
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Hymenocoleus rotundifolius world distribution map, present in Congo, Gabon, Ghana, Liberia, Nigeria, Sierra Leone, and Uganda

Identifiers

LSID urn:lsid:ipni.org:names:753535-1
WFO ID wfo-0000216054
COL ID 6MPF2
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Uragoga melanochlora Geophila rotundifolia Hymenocoleus rotundifolius