Craterosiphon quarrei Staner

First published in Bull. Jard. Bot. État Bruxelles 13: 370 (1935)
This species is accepted
The native range of this species is S. DR Congo to Central Angola. It is a scrambling shrub or tree and grows primarily in the wet tropical biome.

Descriptions

Flora Zambesiaca. Vol. 9, Part 3. Polygonaceae-Myriaceae. Pope GV, Polhill RM, Martins ES. 2006.

Type
Type from Dem. Rep. Congo.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 10, practically in a single series, exserted; filaments of the stamens opposite the lobes, c. 3 mm long, the others c. 2 mm long; anthers 1–1.5 mm long Stamens 10, practically in a single series, exserted; filaments of the stamens opposite the lobes, c. 3 mm long, the others c. 2 mm long; anthers 1–1.5 mm long.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary sessile or subsessile, 2–3 mm long, ovoid, glabrous; disk 5-lobed 0.3–0.6 mm high, glabrous; style 13–16 mm long, exserted; stigma subcapitate
Morphology Reproductive morphology Fruits
Fruit brownish-orange or dark brown, c. 20 × 10–16 mm, ovoid to ellipsoid. Fruit brownish-orange or dark brown, c. 20 × 10–16 mm, ovoid to ellipsoid.
Ecology
In plateau woodland, riverine forests and hillsides, on sandy soil; 900–1800 m.
Note
Sometimes left as an ornamental tree in gardens cleared from bushland, see Richards 4894 cited above and Chilongowelo, fl. 20.i.1952, Richards s.n. (K).
Distribution
Also in Angola and Dem. Rep. Congo. ZAM N, ZAM W Zambia
Morphology General Habit
Much branched shrub or tree up to 12 m high, or rarely a climber. Much branched shrub or tree up to 12 m high, or rarely a climber
Morphology Branches
Branches slender, glabrous, often pendulous; bark grey or brown, reddish when young, often longitudinally fissured, sometimes with corky ridges. Branches slender, glabrous, often pendulous; bark grey or brown, reddish when young, often longitudinally fissured, sometimes with corky ridges
Morphology Leaves
Leaves opposite or subopposite; petiole c. 3 mm long, lamina 30–60 × 14–32 mm, ovate to narrowly ovate or elliptic, attenuate towards the base or rounded, acute to subacuminate at the apex, recurved at the margin, coriaceous, glossy above, yellowish-green or glaucous beneath, glabrous; midrib prominent beneath, lateral nerves hardly visible, almost at right angles to midrib. Leaves opposite or subopposite; petiole c. 3 mm long, lamina 30–60 × 14–32 mm, ovate to narrowly ovate or elliptic, attenuate towards the base or rounded, acute to subacuminate at the apex, recurved at the margin, coriaceous, glossy above, yellowish-green or glaucous beneath, glabrous; midrib prominent beneath, lateral nerves hardly visible, almost at right angles to midrib
Morphology Reproductive morphology Inflorescences
Inflorescence an axillary fascicle, (2)3(4)-flowered, with an involucre of ciliate bracts; peduncle 2–7 mm long. Inflorescence an axillary fascicle, (2)3(4)-flowered, with an involucre of ciliate bracts; peduncle 2–7 mm long
Morphology Reproductive morphology Flowers
Flowers yellowish-green, sometimes white, strongly sweet-scented; pedicels 1.5–4 mm long. Flowers yellowish-green, sometimes white, strongly sweet-scented; pedicels 1.5–4 mm long
Morphology Reproductive morphology Flowers Calyx
Calyx tube 10–18 mm long, c. 3 mm wide at the top, glabrous; lobes 5–8 × 1.5–2.7 mm, ovate to oblong obtuse, glabrous; petaloid glands 10, in the throat of the tube, scarcely protruding. Calyx tube 10–18 mm long, c. 3 mm wide at the top, glabrous; lobes 5–8 × 1.5–2.7 mm, ovate to oblong obtuse, glabrous; petaloid glands 10, in the throat of the tube, scarcely protruding
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary sessile or subsessile, 2–3 mm long, ovoid, glabrous; disk 5-lobed 0.3–0.6 mm high, glabrous; style 13–16 mm long, exserted; stigma subcapitate.
[FZ]

Sources

  • Flora Zambesiaca

    • Flora Zambesiaca
    • 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 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 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 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0