Lapeirousia rivularis Wanntorp

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Lapeirousia rivularis

Flower
Open dambo grassland
Lilayi Lodge
Jan 2020
Photo: Nick Wightman

Lapeirousia rivularis

Flower
Open dambo grassland
Lilayi Lodge
Jan 2020
Photo: Nick Wightman

Lapeirousia rivularis

Habit
Open dambo grassland
Lilayi Lodge
Jan 2020
Photo: Nick Wightman

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Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Synonyms:
Common names:
Frequency: Locally frequent
Status: Native
Description:
Erect perennial 30-45 cm high, growing from a flat based corm c. 12-22 mm in diameter; foliage leaves 3-5, lower 2 more or less basal, channelled for at least half their length, reaching to about the base of the inflorescence, linear with midrib lightly raised, upper leaves subtending inflorescence branches; stem weakly compressed and 3-4 angled, usually laxly branched; inflorescence a rounded to elongate panicle; flowers zygomorphic, pale blue-mauve, lower 3 tepals each with a white to cream nectar guides outlined in deep-violet, sometimes with a median red streak; perianth tube 7-9 mm long, c. 1.3 mm wide at base and 3 mm wide at mouth; tepals subequal, (7)10-13 x 4-5 mm, lanceolate, dorsal tepal suberect to arching over the stamens, other directed forwards, lower 3 tepals nearly horizontal; capsules 4-5 mm long.
Type location:
Namibia
Notes: Red Data list status: Widespread; not threatened
Derivation of specific name: rivularis: pertaining to wet places such as brooks, streams and marshes.
Habitat: Mostly in moist or wet localities (dambos or pan margins) but also in rocky grassland
Altitude range:
Flowering time:Dec - Jan
Worldwide distribution: Namibia north to Angola and Zambia
Zambian distribution (Flora Zambesiaca): B,W,C,S
Zambian distribution (Provinces): Nw,Lk,S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Wednesday 12 February 2020
Literature:

Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 23.

Goldblatt, P. (1990). Systematics of Lapeirousia (Iridaceae–Ixioideae) in Tropical Africa Annals of the Missouri Botanical Garden 77(3) Pages 448 - 451. (Includes a picture).

Goldblatt, P. (1993). Iridaceae Flora Zambesiaca 12(4) Pages 31 - 32. (Includes a picture).

Other sources of information about Lapeirousia rivularis:

External websites:

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


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: Lapeirousia rivularis.
https://www.zambiaflora.com/speciesdata/species.php?species_id=211990, retrieved 19 February 2020

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