Senna septemtrionalis (Viv.) H.S.Irwin & Barneby

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

alcaparro

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

Naturalizada en Colombia; Alt. 1600 - 1931 m.; Andes.

Morphology General Habit

Arbusto

Conservation

No Evaluada

Leguminosae, R.K. Brummitt, A.C. Chikuni, J.M. Lock and R.M. Polhill. Flora Zambesiaca 3:2. 2007

Morphology General Habit

Shrub or small tree to 5 m high.

Morphology Branches

Branchlets pale olive-brown, glabrous, with slight longitudinal ridges.

Morphology Leaves

Leaves paripinnate; stipules 5–6 mm long, narrowly triangular, glabrous, subpersistent; petiole 3–7 cm long, glabrous; rachis 4.8–9.4 cm long, glabrous, with a conical reddish gland c.1 mm long between each leaflet pair and terminating the rachis; leaflets in 3–4 pairs, 4.3–9.5 × 1.9–3.2 cm, the distal largest, ovate to elliptic, base cuneate, symmetrical, apex acuminate, occasionally acute, glabrous; petiolules up to 1 mm long, glabrous or with a few appressed hairs.

Morphology Reproductive morphology Inflorescences

Inflorescences simply racemose, axillary, 6–10-flowered, 3.5–9.5 cm long including the peduncle; bracts 5–8 × 1–2 mm, narrowly triangular, glabrous, caducous; pedicels 1.5–2.5 mm long at anthesis.

Morphology Reproductive morphology Flowers Calyx

Sepals 5, two larger c.8 × 5 mm, three smaller 5–7 × 3–5 mm, elliptic to obovate, glabrous.

Morphology Reproductive morphology Flowers Corolla

Petals unequal, the largest 13–15 × 12–13 mm, broadly obovate, retuse at apex, the others broadly elliptic to obovate, acute, orange to yellow.

Morphology Reproductive morphology Flowers Androecium Stamens

Stamens 10, two fertile with arcuate anthers 7–8 mm long and filaments c.10 mm long, five fertile with short straight anthers 2–4 mm long and straight filaments c.1 mm long on 4 stamens and c.4 mm long on the fifth, three probably sterile with anthers curved into a semicircle and straight filaments.

Morphology Reproductive morphology Flowers Gynoecium Pistil

Ovary c.10 mm long, curved, terete, glabrous; style c.4 mm long, terete; stigma terminal, recessed, surrounded by a fringe of hairs.

Morphology Reproductive morphology Fruits

Pod 8–9 cm long, c.1 cm in diameter, straight, grooved, the sutures somewhat impressed, mucronate, glabrous, tardily dehiscent along both sutures.

Morphology Reproductive morphology Seeds

Seeds brown, in two rows, c.5 × 3 mm, obovate, flattened, without areoles.

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

International Legume Database and Information Service

Conservation

Not Threatened

Ecology

Africa: Cultivated

Morphology General Habit

Perennial, Not climbing, Herb/Shrub/Tree

Vernacular

Arsenic Bush, Brusca, Dooley Weed, Frijolillo, Hedionda Macho, Hill Senna, Laburnum, Moco, Retama, Smooth Senna, Tsotsorinangatra, Voandranomainty, Wild Senna, Winivinikau, Yellow Shower

International Legume Database and Information Service

Morphology General Habit

Perennial, Not climbing, Shrub

Use

Environmental, Food and Drink, Medicine, Weed