Secamone racemosa (Benth.) Klack.

This species is accepted, and its native range is W. Central Tropical Africa to SW. Uganda.

[FTEA]

Apocynaceae (part 2), David Goyder, Timothy Harris, Siro Masinde, Ulrich Meve, Johan Venter. Flora of Tropical East Africa, 2012

Morphology General Habit
Woody climber, glabrescent with youngest branches covered with short reddish hairs
Morphology Leaves
Leaves with petiole 8–20 mm long with appressed reddish hairs; lamina ovate to obovate, but usually elliptic, 0.5–1.2 × 0.2–0.5 cm, the apex acuminate, the base cuneate to rarely almost truncate, surface smooth (not tuberculate/papillate), glabrous on both sides to rarely with sparse reddish appressed hairs below
Morphology Reproductive morphology Inflorescences
Cymes axillary, up to 9-flowered.
Morphology Reproductive morphology Flowers
Flowers narrowly ovoid in bud with obtuse apex.
Morphology Reproductive morphology Inflorescences Peduncles
Peduncles 14–24 mm to first inflorescence branch, subsequent internodes as long, to as short as 5 mm long.
Morphology Reproductive morphology Flowers Pedicel
Pedicels 3–10 mm long
Morphology Reproductive morphology Flowers Calyx
Calyx with one to several surrounding calycoid bracts; lobes 3–4 × 1.5–2.2(–2.7) mm, ovate to usually oblong, obtuse to rounded at the apex, glabrous but with ciliate margin
Morphology Reproductive morphology Flowers Corolla
Corolla 5–7 mm long, lobed for 1/2– 2/3 of its length, not twisted, glabrous, white or yellowish to green, sometimes pinkish; tube 1.5–2.5 mm long; lobes oblong to sometimes obovate, 4.3–5.4 × 2–3.4 mm, truncate to rounded at the apex
Morphology Reproductive morphology Flowers Corona
Corolline corona of five fleshy horizontal bars between the corolla lobes at the sinuses and forming small pockets
Morphology Reproductive morphology Flowers Androecium Stamens
Staminal corona lobes about as long as to longer than the staminal column, dorsiventrally flattened, oblong, the apex crenate-truncate to bifid
Morphology Reproductive morphology Flowers Gynoecium Style
Stylar head appendage projecting at least twice as long as the staminal column, 3.3–5.3 mm long, cylindrical, entire to slightly bifid at apex.
Morphology Reproductive morphology Fruits
Follicles straight to slightly curved, linear in outline, 18–29 × 0.4–0.5 cm, thin-walled, finely pubesent
Morphology Reproductive morphology Seeds
Seeds 5–8 mm long; coma 3–4.5 cm long.
Ecology
Primary montane forest on marshy ground or along rivers, also in clearings with secondary regrowth; 1000–3000 m
Distribution
Range: Cameroon, Equatorial Guinea, Congo-Kinshasa, Rwanda and Burundi Flora districts: U2

[FWTA]

Asclepiadaceae, A. A. Bullock. Flora of West Tropical Africa 2. 1963

Morphology General Habit
Climber over bushes.

Native to:

Burundi, Cameroon, Congo, Gulf of Guinea Is., Rwanda, Uganda, Zaïre

Secamone racemosa (Benth.) Klack. appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Jan 1, 2005 Bridson, D. [163], Rwanda 43780.000 No
May 1, 2001 Etuge, M. [4097], Cameroon K000107537 No
May 1, 2001 Cheek, M. [9162], Cameroon K000107536 No
Jan 1, 2001 Mann [1273], Cameroon K000196872 isotype Yes
Jan 1, 2001 Mann [1273], Cameroon K000196871 holotype Yes

First published in Adansonia, sér. 3, 23: 322 (2001)

Accepted by

  • Goyder, S., Harris, T., Masinde, S., Meve, U. & Venter, J. (2012). Flora of Tropical East Africa, Apocynaceae(2): 1-530.
  • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.

Literature

Kew Backbone Distributions

  • Goyder, S., Harris, T., Masinde, S., Meve, U. & Venter, J. (2012). Flora of Tropical East Africa, Apocynaceae(2): 1-530.
  • Hepper, F.N. (ed.) (1963). Flora of West Tropical Africa, ed. 2, 2: 1-544.
  • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.

Flora of Tropical East Africa

  • Adansonia 23: 322 (2001).

  • Flora of Tropical East Africa

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

  • Flora of West Tropical Africa

    Flora of West Tropical 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 Selected Plant Families 2022. 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 2022. 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