Passifloraceae

Streptopetalum Hochst.

First published in Flora 24: 665 (1841)

This genus is accepted

The native range of this genus is Eritrea to S. Africa.

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

Morphology General Habit: Annual or perennial herbs or subshrubs, pubescent
Morphology Leaves Stipules: Stipules absent
Morphology Reproductive morphology Inflorescences: Flowers usually in ± 1-sided axillary racemes, sometimes heterostylous, with a small or obscure bract
Morphology Reproductive morphology Flowers Calyx: Calyx with a ± long tube
Morphology Reproductive morphology Flowers Corolla: Petals yellow or orange
Morphology Reproductive morphology Fruits: Capsule loculicidal. Seeds ± curved.
Distribution: Genus of six species in eastern, central and southern tropical Africa.

[FSOM]

Turneraceae, J. Lewis. Flora of Tropical East Africa. 1954

Morphology General Habit: Annual and perennial herbs; pubescent and setiferous
Morphology Leaves: Leaves without glands or stipules
Morphology Reproductive morphology Inflorescences: Inflorescences axillary, 1- to many-flowered, usually in a one-sided raceme; bracteoles single or obscure; pedicels sometimes accrescent, not curving
Morphology Reproductive morphology Flowers: Flowers erect, sometimes heterostylous, hypanthium ± 3 mm. long
Morphology Reproductive morphology Flowers Calyx: Calyx tube hairy within for 3–6 mm. from base, bearing internally 5 large (? glandular) narrowly elliptic tubercles above the insertion of the stamens
Morphology Reproductive morphology Flowers Corolla: Petals yellow or orange, broadly oblanceolate or spathulate, adnate to calyx for more than half the length of the tube (in our species inserted within 1 mm. of opening of the tube, though not known in S. graminifolium), eligulate
Morphology Reproductive morphology Flowers Androecium Stamens Filaments: Filaments winged, at least in lower third, adnate to calyx for more than 2 mm. (except S. graminifolium)
Morphology Reproductive morphology Fruits: Capsules broadly ellipsoid, sub-ovoid or suborbicular, erect, dehiscing loculicidally from the apex
Morphology Reproductive morphology Seeds: Seeds numerous, curved; pits 2-pored.

[FTEA]

Turneraceae, R. Fernandes. Flora Zambesiaca 4. 1978

Morphology General Habit: Annual or perennial herbs, pubescent and setose.
Morphology Leaves: Leaves petiolate or sessile, sometimes heteromorphic, without stipules or basal glands.
Morphology Reproductive morphology Inflorescences: Inflorescences axillary, 1-many-flowered, usually a secund raceme with free peduncle.
Morphology Reproductive morphology Flowers: Flowers hetero- or homostylous, on 2-bracteolate, not deflexed, sometimes accrescent pedicels.
Morphology Reproductive morphology Flowers Calyx: Sepals adnate into a cylindrical tube, 15-nerved, internally hairy for 3–6 mm. from the base and with 5 linear-elliptic tubercles above the insertion of the stamens.
Morphology Reproductive morphology Flowers Corolla: Petals yellow to orange, inserted at the throat of the calyx-tube, obovate to spathulate, without ligules.
Morphology Reproductive morphology Flowers Androecium Stamens: Stamens perigynous, inserted at the base of the calyx-tube; filaments filiform or winged in the lower 1/3; anthers oblong.
Morphology Reproductive morphology Flowers Gynoecium Pistil: Ovary 1-locular, with parietal placentas; styles straight with multipartite or lobulate stigmas.
Morphology Reproductive morphology Fruits: Capsules erect, loculicidal.
Morphology Reproductive morphology Seeds: Seeds numerous, arcuate, reticulate-alveolate, with 2-pored pits; aril unilateral, shorter than or equalling the seed.

[FZ]

Flora Zambesiaca
- Flora Zambesiaca
- http://creativecommons.org/licenses/by-nc-sa/3.0
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
- 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
Kew Backbone Distributions
- The International Plant Names Index and World Checklist of Vascular Plants 2026. 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 2026. 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

Descriptions