Nicoteba betonica (L.) Lindau

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

Bernal, R., G. Galeano, A. Rodríguez, H. Sarmiento y M. Gutiérrez. 2017. Nombres Comunes de las Plantas de Colombia. http://www.biovirtual.unal.edu.co/nombrescomunes/

Vernacular

jardín de seda

Flora Zambesiaca Acanthaceae (part 2) by Iain Darbyshire, Kaj Vollesen and Ensermu Kelbessa

Morphology General Habit

Annual, perennial or shrubby herb with 1 to several erect, ascending or decumbent stems from a creeping rhizome, woody rootstock or taproot; stems to 1(1.5) m long, glabrous (with band of hairs at nodes) to sparsely uniformly puberulous.

Morphology Leaves

Leaves glabrous to puberulous; petiole 0–2.5 cm long; lamina linear-lanceolate to ovate or elliptic, largest 1.5–18(22) × (0.3)0.5–6.5 cm; apex rounded to acuminate; base cuneate to attenuate, decurrent.

Morphology Reproductive morphology Inflorescences

Spikes 2–15(18) cm long, terminal and axillary; peduncle to 4(5.5) cm long; rachis puberulous to pubescent or sparsely so; bracts white to green with dark green venation, more rarely uniformly green or tinged purplish, ovate or broadly so, rarely lanceolate, (5.5)7–16 × (2)3.5–10 mm, glabrous to puberulous, acute to acuminate and apiculate at apex, cuneate to truncate at base; bracteoles 7–13 × 2–5 mm.

Morphology Reproductive morphology Flowers Calyx

Calyx 3.5–7 mm long, finely puberulous with stubby non-capitate glandular hairs and with longer hairs on edges (rarely without); lobes acute to acuminate.

Morphology Reproductive morphology Flowers Corolla

Corolla white with purple spots on lower lip, 8–14 mm long, densely puberulous and with capitate glands; tube 4.5–8 mm long and 2–3 mm in diameter apically; upper lip slightly hooded, 3.5–6 mm long; lower lip deflexed, 3–5.5 × 4–6 mm, central lobe wider and longer than laterals.

Morphology Reproductive morphology Flowers Androecium Stamens Anthers

Anthers purplish, upper theca 0.5–1 mm long, lower 1–1.5 mm long, with an acute appendage c.1 mm long, connective hairy.

Morphology Reproductive morphology Fruits

Capsule 10–20 mm long, uniformly puberulous or densely so.

Morphology Reproductive morphology Seeds

Seeds densely tuberculate, c.3 mm long.

Distribution

Widespread in tropical and South Africa and in tropical Asia, introduced in America.

Ecology

In a wide range of grassland, bushland and woodland, riverine forest and scrub, margins of wet forest, also in secondary vegetation and as a weed; 10–1750(1950) m.

Conservation

Conservation notes: Widespread; not threatened.

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution

Adventicia en Colombia; Alt. 1740 - 1830 m.; Andes.

Morphology General Habit

Hierba

Conservation

No Evaluada

Acanthaceae, H. Heine. Flora of West Tropical Africa 2. 1963

Morphology General Habit

A rather variable herb, sometimes becoming shrubby

Morphology Reproductive morphology Flowers

White flowers, the tube slightly violet in the throat.