Canscora diffusa (Vahl) R. Br. ex Roem. & Schult.

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Synonyms: Gentiana diffusa Vahl
Common names:
Status: Native
Erect annual, much branched herb, usually up to 35 cm tall, rarely taller. Stem slender, 4-angled, hairless. Leaves ovate-elliptic to elliptic, 1–4 cm long, 3–5 veined from the base, hairless; upper leaves sessile, lower leaves with petiole up to 5 mm long. Flowers very numerous, in lax somewhat diffuse, leafy inflorescences, pink, mauve or white; bracts sessile, ovate, 4–8 mm long; pedicels 5–15 mm long, not winged. Calyx tube 4–5 mm long, scarcely swollen towards the base, not winged; teeth 1.5–2 mm long. Corolla tube 5–6 mm long; lobes unequal, ovate obtuse, 1.5–2 mm long. Capsule cylindric, 4–5 mm long.
Derivation of specific name: diffusa: diffuse, loosely spreading
Habitat: On rock surfaces, in damp sandy soils and on river banks.
Altitude range: (metres) 610 - 1350 m
Flowering time:
Worldwide distribution: Widespread in tropical Africa, tropical Asia and Australia.
Zimbabwe distribution: N,E
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 37 - 39.

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

Other sources of information about Canscora diffusa:

Our websites:

Flora of Malawi: Canscora diffusa
Flora of Mozambique: Canscora diffusa
Flora of Zambia: Canscora diffusa

External websites:

African Plants: A Photo Guide (Senckenberg): Canscora diffusa
BHL (Biodiversity Heritage Library): Canscora diffusa
EOL (Encyclopedia of Life): Canscora diffusa
GBIF (Global Biodiversity Information Facility): Canscora diffusa
Google: Web - Images - Scholar
iNaturalist: Canscora diffusa
IPNI (International Plant Names Index): Canscora diffusa
JSTOR Plant Science: Canscora diffusa
Mansfeld World Database of Agricultural and Horticultural Crops: Canscora diffusa
Plants of the World Online: Canscora diffusa
Tropicos: Canscora diffusa
Wikipedia: Canscora diffusa

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Zimbabwe: Species information: Canscora diffusa., retrieved 14 April 2024

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