Corchorus aestuans L.

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

Nativa en Colombia; Alt. 10 - 70 m.; Llanura del Caribe.

Morphology General Habit

Hierba

Conservation

No Evaluada

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

traquitraqui

Tiliaceae, C. Whitehouse, M. Cheek, S. Andrews & B. Verdcourt. Flora of Tropical East Africa. 2001

Morphology General Habit

Prostrate to ascending annual herb to 25 cm; stems pilose, more so on one side.

Morphology Leaves

Leaves ovate to broadly ovate, 2–7.5 cm long, 1.6–4.4 cm wide, margins serrate, at least some with a pair of basal setae 3–5 mm long, rounded at base, acute or subacute, with scattered pubescence mainly on veins and midrib; petioles 0.8–2.7(–5.3) cm long, pilose, more so on the upper side; stipules 5–8 mm long, pilose.

Morphology Reproductive morphology Inflorescences

Inflorescences of 1–2(–3)-flowered fascicles; peduncles up to 2 mm, pilose; pedicels up to 2 mm, glabrous; bracts up to 2.7 mm long, ciliate.

Morphology Reproductive morphology Flowers Calyx

Sepals 5, 3–3.9 mm long, 0.6–0.8 mm wide, ciliate at basal margin.

Morphology Reproductive morphology Flowers Corolla

Petals 5, oblanceolate, ciliate at base, 3.3–3.8 mm long, 0.8–1 mm wide; stamens ± 10, 3 mm long; ovary cylindric, puberulous, 2 mm long, 1 mm wide.

Morphology Reproductive morphology Fruits

Capsule solitary or in 2s or 3s, squat, straight or slightly curved, 1–2.6 cm long, 0.4–0.7 cm wide, splitting into 3 winged valves, glabrous, ending in 3–5 spreading horns.

Morphology Reproductive morphology Seeds

Seeds somewhat angular, ± 1 mm long, pitted, brownish-black.

Figures

Fig. 18/7 (fruit, p. 103).

Habitat

Grassland on heavy alluvial soils; 10–1150 m

Distribution

K7 P T3 T6 T7 U1 Z widely distributed in the tropics

Distribution

Biogeografic region: Caribbean. Elevation range: 10–70 m a.s.l. Native to Colombia. Colombian departments: Atlántico, Bolívar, Córdoba, Magdalena.

Habit

Herb.

Ecology

Habitat according IUCN Habitats Classification: forest and woodland, savanna, artificial - terrestrial.

George R. Proctor (2012). Flora of the Cayman Isands (Second Edition). Royal Botanic Gardens, Kew

Morphology General Habit

An annual subwoody herb, the stems low-spreading or ascending, puberulous or short- pilose with simple hairs.

Morphology Leaves

Leaves glabrous or with scattered hairs, slender-petiolate, 1–6 cm long, the blades ovate to orbicular with obtuse or subacute apex, the margins finely serrate with the lowermost serration on one or both sides often elongated into a hair-like bristle; stipules subulate, 5–7 mm long

Morphology Reproductive morphology Flowers

Flowers solitary or paired in the leaf-axils, almost sessile; sepals hooded, ca. 4 mm long; petals obovate, 3–4 mm long

Morphology Reproductive morphology Fruits

Capsule 1.5–2.5 cm long, narrowly oblong, 4–5 mm thick, triangular in cross-section, narrowly winged on the angles, glabrous; seeds discoid, dark brown, less than 1 mm broad.

Distribution

Cayman Brac. Pantropical but not usually very common.

Ecology

The Cayman Brac plants grow in moist hollows, thickets, and along the borders of pastures.

Tiliaceae, Hutchinson and Dalziel. Flora of West Tropical Africa 1:2. 1958

Morphology General Habit

Annual or perennial, branched, erect or prostrate

Morphology Reproductive morphology Flowers

Flowers golden-yellow.

Tiliaceae, H. Wild. Flora Zambesiaca 2:1. 1963

Morphology General Habit

Branching annual up to 50 cm. tall; first branches more or less erect, the later ones tending to be prostrate; branches pilose, usually more densely so on one side, compressed at first, later cylindric.

Morphology Leaves

Leaf-lamina 2–8 × 1–3·5 cm., ovate, narrowly ovate or broadly elliptic, acute or subacute at the apex, margin serrate-crenate, rounded at the base, usually with two basal setaceous appendages, sparsely pilose on both surfaces, especially on the nerves; petiole up to 3 cm. long, pilose, more densely so on the upper side; stipules up to 1 cm. long, setaceous, sparsely setulose.

Morphology Reproductive morphology Inflorescences

Inflorescences of 1–3-flowered cymes, opposite the upper leaves; peduncles very short or obsolete, up to 1 mm. long, pubescent; pedicels similar, c. 1 mm. long; bracts up to 3 mm. long, setaceous, sparsely setulose-pubescent.

Morphology Reproductive morphology Flowers Calyx

Sepals c. 4 mm. long, linear, somewhat hooded and caudate-acuminate at the apex, glabrous.

Morphology Reproductive morphology Flowers Corolla

Petals yellow, the same length as the sepals, narrowly obovate, slightly undulate at the rounded apex, with a very short ciliate basal claw 0·5 mm. long.

Morphology Reproductive morphology Flowers Androgynophore

Androgynophore and annulus 0·3 mm. long.

Morphology Reproductive morphology Flowers Androecium Stamens

Stamens c. 10.

Morphology Reproductive morphology Flowers Gynoecium Pistil

Ovary 3–5-angled, cylindric, puberulous; style c. 1 mm. long, glabrous.

Morphology Reproductive morphology Fruits

Capsule up to 4 cm. long, usually straight, erect, 3–5-sided with narrow membranous wings on the angles, glabrous, terminating in 3–5 spreading horns 1·5–3 mm. long; horns entire or sometimes bifid; valves only shallowly hollowed out to contain the seeds on the inner surface.

Morphology Reproductive morphology Seeds

Seeds c. 0·8 × 0·8 mm., numerous, shortly cylindric, brown.