Rubiaceae

Crossopteryx Fenzl

First published in S.L.Endlicher & E.Fenzl, Nov. Stirp. Dec.: 45 (1839)

This genus is accepted

The native range of this genus is Tropical & S. Africa.

Rubiaceae, B. Verdcourt. Flora of Tropical East Africa. 1976

Morphology General Habit: Shrubs or trees
Morphology Leaves: Leaves opposite, shortly petiolate; stipules interpetiolar, triangular, subpersistent
Morphology Reproductive morphology Flowers: Flowers fairly small, strongly scented, numerous in dense branched terminal corymbose panicles
Morphology Reproductive morphology Flowers Calyx: Calyx-tube obovoid or globose; teeth 4–6, erect obtuse, deciduous
Morphology Reproductive morphology Flowers Corolla: Corolla hypocrateriform; tube slender, not hairy at the throat; lobes 4–6, contorted, spreading
Morphology Reproductive morphology Flowers Androecium Stamens: Stamens 4–6, inserted at the mouth of the tube; filaments very short
Morphology Reproductive morphology Flowers Gynoecium Pistil: Ovary 2-locular; placentas affixed peltately to the septum; ovules few in each locule, imbricate-adpressed; style filiform, long-exserted; stigma clavate or ellipsoid, 2-lobed
Morphology Reproductive morphology Fruits: Capsule ellipsoid or globose, crustaceous, loculicidally splitting into 2 persistent valves, each divisible into 2 parts along the septum, few-seeded
Morphology Reproductive morphology Seeds: Seeds peltate, dorsally very compressed; nucleus ovoid; testa membranous, expanded into a broad lobulate and elegantly fimbriate wing; albumen sparse, fleshy.

[FTEA]

Rubiaceae, D.M.Bridson & B.Verdcourt. Flora Zambesiaca 5:3. 2003

Morphology General Habit: Shrubs or trees.
Morphology Leaves: Leaves opposite, shortly petiolate; stipule limbs triangular, ± free subpersistent.
Morphology Reproductive morphology Flowers: Flowers fairly small, strongly scented, numerous in dense branched terminal corymbose panicles.
Morphology Reproductive morphology Flowers Calyx: Calyx tube obovoid or globose; limb-tube reduced; teeth 4–6, erect, obtuse, deciduous.
Morphology Reproductive morphology Flowers Corolla: Corolla hypocrateriform; tube slender, not hairy at the throat; lobes 4–6, contorted to the left, spreading.
Morphology Reproductive morphology Flowers Androecium Stamens: Stamens 4–6, inserted at the mouth of the tube; filaments very short.
Morphology Reproductive morphology Flowers Gynoecium Pistil: Ovary 2-locular; placentas affixed peltately to the septum; ovules few in each locule, imbricate-appressed; style filiform, long- exserted; pollen presenter clavate or ellipsoid, 2-lobed.
Morphology Reproductive morphology Fruits: Capsule ellipsoid or globose, crustaceous, loculicidally splitting into 2 persistent valves, each divisible into 2 parts along the septum, few-seeded.
Morphology Reproductive morphology Seeds: Seeds peltate, dorsally very compressed; nucleus ovoid; testa membranous, expanded into a broad lobulate and elegantly fimbriate wing; albumen sparse, fleshy.

[FZ]

Flora Zambesiaca
- Flora Zambesiaca
- 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 2025. 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 2025. 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