Malvaceae
Corchorus

Corchorus pseudo-olitorius Islam & Zaid

First published in Biologia (Lahore) 6: 174 (1960)
This species is accepted
The native range of this species is Somalia to E. Tanzania, SE. Pakistan to India. It is an annual and grows primarily in the seasonally dry tropical biome.

Descriptions

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

Morphology General Habit
Spreading annual herb, up to 1 m high; branches reddish, glabrescent
Morphology Leaves
Leaves glabrous except for occasional hairs on veins; petiole 7–20 mm long, pilose on upper side; blade lanceolate, ovate-lanceolate or ovate, 3–13.5 x 0.3–3.5 cm, acute to acuminate at the apex, truncate or cuneate at the base, and usually with a pair of 3–6 mm long basal setae, with serrate margin
Morphology Reproductive morphology Inflorescences
Flowers in 1–3-flowered clusters; peduncle 1–3 mm long; pedicels 0.3–0.8 mm long
Morphology Reproductive morphology Flowers Calyx
Sepals 5, 4.5–5.5 x 1 mm, ciliate at the margin
Morphology Reproductive morphology Flowers Corolla
Petals 5, 4.5–5 x 1.2 mm, with ciliate claw
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens c. 20
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary linear, setulose
Morphology Reproductive morphology Fruits
Capsule 3-valved, 2–3.5 cm long, cylindric, torulose, straight or slightly curved, pilose when young, glabrous at maturity
Morphology Reproductive morphology Seeds
Seeds brownish black, c. 1.2 mm long, warted.
Distribution
C2; S1, 3; Kenya, Tanzania, Pakistan
Ecology
Altitude range 10–300 m.
[FSOM]

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
[AERP]

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

Morphology General Habit
A spreading annual herb to 0.9 m tall; stems glabrous.
Morphology Leaves
Leaves narrowly lanceolate to ovate, 3–11.5 cm long, 0.3–3.3 cm wide, margins serrate, usually with a pair of basal setae 0.3–0.6 mm long, truncate, rounded or cuneate, acute or acuminate, glabrous apart from odd hairs on midrib and veins beneath; petiole 0.7–2 cm long, pilose on upper side; stipules to 1 mm long, glabrous.
Morphology Reproductive morphology Inflorescences
Inflorescences of 1–3-flowered fascicles;peduncules and pedicels up to 0.3(–0.8) mm, glabrous; bracts up to 1 mm long, glabrous.
Morphology Reproductive morphology Flowers Calyx
Sepals 5, 4.5–5.3 mm long, 1 mm wide, ciliate at basal margin.
Morphology Reproductive morphology Flowers Corolla
Petals 5, obovate, 4.3–5 mm long, 1–2 mm wide, with ciliate claw at base; stamens ± 20, 3.2 mm long; ovary linear, 2.8–3 mm long, 1 mm wide, setulose.
Morphology Reproductive morphology Fruits
Capsule solitary or in 2s, cylindric, torulose, straight or slightly curved, 2–3.5 cm long, 0.2–0.3 mm wide, splitting into 3 valves, glabrous.
Morphology Reproductive morphology Seeds
Seeds angular, up to 1.2 mm long, verrucose, brownish-black.
Figures
Fig. 18/11 (fruit, p. 103).
Habitat
Riverine vegetation; 10–600 m
Distribution
K1 K7 T3 T6 T8
[FTEA]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora of Somalia

    • Flora of Somalia
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0