Ipomoea coscinosperma Hochst. ex Choisy

Convolvulaceae, Maria Leonor Gonçalves. Flora Zambesiaca 8:1. 1987

Morphology General Habit

Spreading annual, glabrescent or hairy.

Morphology Stem

Stems several, more or less stout, often angular, thinly hairy, glabrescent, at first suberect but soon prostrate.

Morphology Leaves

Leaf lamina from narrowly linear lanceolate to oblong, 3–10 × 1–4 cm., entire or somewhat repand, blunt but apiculate at the apex, rounded cuneate or shallowly cordate at the base, glabrescent, pilose or hairy; petiole 5–25 mm. long, more or less pilose.

Morphology Reproductive morphology Inflorescences

Inflorescence axillary, subsessile, usually 1–3 flowered, pilose; peduncles and pedicels up to 5 mm. long; bracts linear-subulate, about 4 mm. long, pilose.

Morphology Reproductive morphology Flowers Calyx

Sepals subequal, lanceolate or ovate up to 8 mm. long, acuminate at the apex with hyaline lower margins, pilose.

Morphology Reproductive morphology Flowers Corolla

Corolla narrowly funnel-shaped, red or white, slightly longer than the calyx.

Morphology Reproductive morphology Fruits

Capsule globose, glabrous, crowned by the persistent style base.

Morphology Reproductive morphology Seeds

Seeds brown very shortly pubescent.

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit

Annual herb; stems prostrate or spreading, pilose or glabrescent

Morphology Leaves

Leaf-blades narrowly linear-lanceolate to oblong, 3–11 x 1–4 cm, cuneate to rounded or slightly cordate at the base, obtuse and apiculate at the apex, pilose or glabrescent; petiole 0.5–3.5 cm long

Morphology Reproductive morphology Inflorescences

Cymes 1–3-flowered; peduncles and pedicels up to 5 mm long; bracts linear-lanceolate, c. 3–5 mm long

Morphology Reproductive morphology Flowers Calyx

Sepals lanceolate- or ovate-acuminate, up to 10 mm long, pilose

Morphology Reproductive morphology Flowers Corolla

Corolla red or white, up to 9 mm long

Morphology Reproductive morphology Fruits

Capsule globose, 5–7.5 mm in diam., glabrous

Morphology Reproductive morphology Seeds

Seeds c. 3 mm long, brown or black, shortly and densely pubescent.

Distribution

S3 (near “Ionti”) widespread in tropical Africa.

Ecology

Altitude c. 30 m.

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation

Predicted extinction risk: not threatened. Confidence: confident

Convolvulaceae, B. Verdcourt (East African Herbarium). Flora of Tropical East Africa. 1963

Morphology General Habit

Spreading glabrescent or hairy annual.

Morphology Leaves

Leaves narrowly elliptic-lanceolate or oblong, 4–11 cm. long, 1.5–1.9(–6.3) cm. wide, blunt but apiculate at the apex, rounded cuneate or faintly cordate at the base, glabrescent, pilose or hairy; petiole l.8(–3.7) cm. long.

Morphology Reproductive morphology Inflorescences

Inflorescences small, axillary, sessile, hispid, 1–3-flowered; peduncles and pedicels up to 5 mm. long.

Morphology Reproductive morphology Flowers Calyx

Sepals lanceolate or ovate, 6 mm. long, 1.8 mm. wide, acuminate at the apex and with hyaline lower margins, hispid.

Morphology Reproductive morphology Flowers Corolla

Corolla small, red or white, 5–8 mm. long.

Morphology Reproductive morphology Fruits

Capsule globose, glabrous, apiculate, 5–7.5 mm. in diameter.

Habitat

Grassland, also as a weed of cultivated ground; 1140–1560 m.

Distribution

K4 T1 U1