Pycnosphaera buchananii (Baker) N.E. Br.

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Synonyms: Faroa buchananii Baker
Pycnosphaera quarrei De Wild.
Pycnosphaera trimera Gilg
Pycnosphaera vanderystii De Wild.
Common names:
Status: Native
Annual or perennial herb up to 1.5 m. tall. Stem, longitudinally 2-ridged, hairless. Basal leaves sometimes crowded, oblong-lanceolate or oblong-elliptic, 1.5–5.5 cm long; stem-leaves opposite, from elliptic to linear or linear-oblong, 3–5.5 cm long, decurrent at the base. Inflorescence in dense bracteate heads with bracts elliptic to sub-ovate, 3–6 mm long, sometimes solitary or corymbosely arranged to the apex of the stem and branches. Flowers from pink, mauve and blue-violet to white, on pedicels 0.3–1.2 mm. long. Calyx tripartite; lateral sepals oblong-elliptic, 3–3.5 mm long; dorsal sepal oblong-obovate, c. 1.5 mm long, emarginate or obscurely 3-lobed at the apex. Corolla tube 3–3.5 mm long; lobes elliptic or ovate lanceolate, 2.5 mm long. Capsule cylindric-ellipsoid, 2–2.5 mm long.
Type location:
Derivation of specific name: buchananii: after John Buchanan (1855 – 1896), Scottish horticulturist, missionary, farmer and plant collector in Malawi, who became Acting British Consul to Central Africa.
Habitat: In swamp forest marsh and on river banks.
Altitude range:
Flowering time:
Worldwide distribution: Widespread in tropical Africa as far as Malawi, Zambia, Botswana and northern Zimbabwe.
Zambian distribution (Flora Zambesiaca): N,W,C
Zambian distribution (Provinces): Nw,N,Lk,W
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 53.

Paiva, J. & Nogueira, I. (1990). Gentianaceae Flora Zambesiaca 7(4) Pages 47 - 48. As Pychnosphaera buchananii (Includes a picture).

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 66.

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 76.

Other sources of information about Pycnosphaera buchananii:

Our websites:

Flora of Botswana: Pycnosphaera buchananii
Flora of Malawi: Pycnosphaera buchananii
Flora of Zimbabwe: Pycnosphaera buchananii

External websites:

African Plants: A Photo Guide (Senckenberg): Pycnosphaera buchananii
African Plant Database: Pycnosphaera buchananii
BHL (Biodiversity Heritage Library): Pycnosphaera buchananii
EOL (Encyclopedia of Life): Pycnosphaera buchananii
ePIC (electronic Plant Information Center): Pycnosphaera buchananii
Flora Zambesiaca web site: Pycnosphaera buchananii
GBIF (Global Biodiversity Information Facility): Pycnosphaera buchananii
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Pycnosphaera buchananii
iNaturalist: Pycnosphaera buchananii
IPNI (International Plant Names Index): Pycnosphaera buchananii
JSTOR Plant Science: Pycnosphaera buchananii
Kew Herbarium catalogue: Pycnosphaera buchananii
Mansfeld World Database of Agricultural and Horticultural Crops: Pycnosphaera buchananii
Plants of the World Online: Pycnosphaera buchananii
The Plant List (version 1.1): Pycnosphaera buchananii
Tropicos: Pycnosphaera buchananii
Wikipedia: Pycnosphaera buchananii

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-20

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2020). Flora of Zambia: Species information: Pycnosphaera buchananii., retrieved 25 January 2020

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