- Family: Apocynaceae Juss.
- Genus: Raphionacme Harv.
Raphionacme longifolia N.E.Br.
- Genus: Raphionacme Harv.
[FTEA]
Apocynaceae (part 2), David Goyder, Timothy Harris, Siro Masinde, Ulrich Meve, Johan Venter. Flora of Tropical East Africa, 2012
- Morphology General Habit
- Herb up to 75 cm long, erect, terminally twining, single- or few-stemmed, with white latex.
- Vegetative Multiplication Tubers
- Tuber ovoid to flattened-globose, up to 10 cm diameter.
- Morphology Stem
- Aerial stems brownish, branching lateral, puberulous
- Morphology Leaves
- Leaves sessile; blade linear to very narrowly ovate, (5–)12–15(–20) × (0.4–)0.88–1(–2.2) cm, attenuate, base tapering, often involute, above green, puberulent, beneath pale green, puberulent, midvein prominent, whitish, secondary veins looping
- Morphology Reproductive morphology Inflorescences
- Inflorescences axillary and terminal, fascicles 5–10-flowered, puberulous.
- Morphology Reproductive morphology Inflorescences Peduncles
- Peduncles 2–10 mm long.
- Morphology Reproductive morphology Inflorescences Bracts
- Bracts subulate, 2–3 mm long.
- Morphology Reproductive morphology Flowers Pedicel
- Pedicels 3–6 mm long
- Morphology Reproductive morphology Flowers Calyx
- Sepals triangular to ovate, ± 2 × 1 mm, densely puberulent
- Morphology Reproductive morphology Flowers Corolla
- Corolla outside densely puberulent; tube campanulate, ± 2 mm long; lobes oblong-ovate to triangular, 4–6 × 2–3 mm, inside greenish, greenish-brown, greenish-purple, maroon-brown or dull purple-red
- Morphology Reproductive morphology Flowers Corona
- Coronal feet columnar, ± 1 mm long; lobes from outer apex of coronal feet, trisegmented, central segment filiform, 5–6 mm long; lateral segments subulate, ± 1 mm long Corona whitish to purple.
- Morphology Reproductive morphology Flowers Androecium Stamens
- Staminal filaments from inner apex of coronal feet, filiform, 1–2 mm long.
- Morphology Reproductive morphology Flowers Androecium Stamens Anthers
- Anthers white, oblong-ovate, 1–2 mm long
- Morphology Reproductive morphology Flowers Gynoecium Style
- Style terete, ± 2 mm long, glabrous; style-head ovoid, ± 2 × 1 mm
- Morphology Reproductive morphology Flowers Gynostegium
- Gynostegium base in corolla mouth
- Morphology Reproductive morphology Fruits
- Follicles paired, erect, cylindrical-ovoid, ± 10 cm long
- Morphology Reproductive morphology Seeds
- Seeds unknown.
- Ecology
- Miombo grassland; 500–1600 m
- Distribution
- Range: Zambia, Malawi, Mozambique, Zimbabwe and Botswana Flora districts: T6 T7 T8
Native to:
Botswana, Burundi, Central African Repu, Malawi, Mozambique, Tanzania, Zambia, Zimbabwe
Raphionacme longifolia N.E.Br. appears in other Kew resources:
| Date | Reference | Identified As | Barcode | Type Status |
|---|---|---|---|---|
| Wild, H. [40781], Zimbabwe | 1996.000 | |||
| Milne-Redhead, E. [7664], Tanzania | 27449.000 | |||
| Faulkner, H. [K.203], Mozambique | 4038.000 | |||
| Goyder, D.J. [4103], Zimbabwe | 60251.000 | |||
| Kirk [s.n.], Mozambique | K000234168 | lectotype | ||
| Kirk [s.n.], Malawi | K000234169 | paralectotype | ||
| Kirk [s.n.], Mozambique | K000234167 | paralectotype | ||
| Kirk [s.n.], Mozambique | K000234170 | Unknown type material |
First published in Bull. Misc. Inform. Kew 1895: 110 (1895)
Accepted by
- Albers, F. & Meve, U. (eds.) (2002). Illustrated handbook of succulent plants Asclepiadaceae, corr. 2nd printing: 1-318. Springer, Berlin, Heidelberg,New York.
- Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Flora Zambesiaca 7(3): 1-375. Royal Botanic Gardens, Kew.
- Goyder, S., Harris, T., Masinde, S., Meve, U. & Venter, J. (2012). Flora of Tropical East Africa, Apocynaceae(2): 1-530.
- Venter, H.J.T. (2009). A taxonomic revision of Raphianacme (Apocynaceae: Periplocoideae) South African Journal of Botany 75: 292-350.
Literature
Kew Backbone Distributions
- Masharabu, T., Bigendako, M.J., Lejoly, J., Nkengurutse, J., Noret, N., Bizuru, E. & Bogaert, J. (2010). Etude analytique de la flore et de la végétation du Parc National de la Ruvubu, Burundi International Journal of Biological and Chemical Sciences 4: 834-856.
- Venter, H.J.T. (2009). A taxonomic revision of Raphianacme (Apocynaceae: Periplocoideae) South African Journal of Botany 75: 292-350.
Flora of Tropical East Africa
- K.B. 1895: 110 (1895).
Flora of Tropical East Africa
Flora of Tropical East Africa
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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 Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0