Edit History
Rottboellia purpurascens Robyns [family GRAMINEAE]
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 10, Part 4, (2002) Author: T. A. Cope
Names
Rottboellia purpurascens Robyns [family GRAMINEAE], Fl. Agrost. Congo Belge 1: 66 (1929). Type from Dem. Rep. Congo.
Robynsiochloa purpurascens Robyns Jacq.-Fél. [family GRAMINEAE], in J. Agric. Trop. Bot. Appl. 7: 406 (1960). —Simon in Kirkia 8: 53 (1971). —Clayton in F.W.T.A., ed. 2, 3: 506 (1972).
Information
Robust aquatic annual up to 160 cm high, the basal part often immersed in water and rooting profusely at the nodes. Leaf sheaths glabrous or pilose with bulbous-based hairs; leaf laminas 20–45 cm × 3–12 mm, broadly linear. Racemes 4–10 cm long, slightly dorsiventrally flattened, glabrous, terminating in a tail of reduced spikelets, gathered into a spathate false panicle. Sessile spikelet oblong, pallid; callus elliptic with low central ridge; inferior glume 3–4 mm long; superior glume boat-shaped with a winged keel, this thrust between the internode and pedicel, sometimes conspicuously protruding. Pedicelled spikelet 5–7 mm long, ovate, herbaceous, green; pedicel shorter than the internode, the two fused only in the inferior part.
Habitat
Growing in up to 2 m of water
Altitude range
980–1100 m.
1100
980
Distribution
Zambia B Mongu Distr., central Barotse Floodplain at Namushakende, 26 km south of Mongu, 980 m, 8.ii.1955, Hinds 289 (K; SRGH).Zambia N Samfya Distr., Lake Bangweulu, Mboyalubambe Is., 10 km south of Lake Chali, 1062 m, 6.iii.1996, Renvoize 5754 (K).
Distribution (external)
Guinea
Sierra Leone
Dem. Rep. Congo
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 10, Part 4, (2002) Author: T. A. Cope
Names
Rottboellia purpurascens Robyns [family GRAMINEAE], Fl. Agrost. Congo Belge 1: 66 (1929). Type from Dem. Rep. Congo.
Robynsiochloa purpurascens Robyns Jacq.-Fél. [family GRAMINEAE], in J. Agric. Trop. Bot. Appl. 7: 406 (1960). —Simon in Kirkia 8: 53 (1971). —Clayton in F.W.T.A., ed. 2, 3: 506 (1972).
Information
Robust aquatic annual up to 160 cm high, the basal part often immersed in water and rooting profusely at the nodes. Leaf sheaths glabrous or pilose with bulbous-based hairs; leaf laminas 20–45 cm × 3–12 mm, broadly linear. Racemes 4–10 cm long, slightly dorsiventrally flattened, glabrous, terminating in a tail of reduced spikelets, gathered into a spathate false panicle. Sessile spikelet oblong, pallid; callus elliptic with low central ridge; inferior glume 3–4 mm long; superior glume boat-shaped with a winged keel, this thrust between the internode and pedicel, sometimes conspicuously protruding. Pedicelled spikelet 5–7 mm long, ovate, herbaceous, green; pedicel shorter than the internode, the two fused only in the inferior part.
Habitat
Growing in up to 2 m of water
Altitude range
980–1100 m.
1100
980
Distribution
Zambia B Mongu Distr., central Barotse Floodplain at Namushakende, 26 km south of Mongu, 980 m, 8.ii.1955, Hinds 289 (K; SRGH).Zambia N Samfya Distr., Lake Bangweulu, Mboyalubambe Is., 10 km south of Lake Chali, 1062 m, 6.iii.1996, Renvoize 5754 (K).
Distribution (external)
Guinea
Sierra Leone
Dem. Rep. Congo
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 10, Part 4, (2002) Author: T. A. Cope
Names
Rottboellia purpurascens Robyns [family GRAMINEAE], Fl. Agrost. Congo Belge 1: 66 (1929). Type from Dem. Rep. Congo.
Robynsiochloa purpurascens Robyns Jacq.-Fél. [family GRAMINEAE], in J. Agric. Trop. Bot. Appl. 7: 406 (1960). —Simon in Kirkia 8: 53 (1971). —Clayton in F.W.T.A., ed. 2, 3: 506 (1972).
Information
Robust aquatic annual up to 160 cm high, the basal part often immersed in water and rooting profusely at the nodes. Leaf sheaths glabrous or pilose with bulbous-based hairs; leaf laminas 20–45 cm × 3–12 mm, broadly linear. Racemes 4–10 cm long, slightly dorsiventrally flattened, glabrous, terminating in a tail of reduced spikelets, gathered into a spathate false panicle. Sessile spikelet oblong, pallid; callus elliptic with low central ridge; inferior glume 3–4 mm long; superior glume boat-shaped with a winged keel, this thrust between the internode and pedicel, sometimes conspicuously protruding. Pedicelled spikelet 5–7 mm long, ovate, herbaceous, green; pedicel shorter than the internode, the two fused only in the inferior part.
Habitat
Growing in up to 2 m of water
Altitude range
980–1100 m.
1100
980
Distribution
Zambia B Mongu Distr., central Barotse Floodplain at Namushakende, 26 km south of Mongu, 980 m, 8.ii.1955, Hinds 289 (K; SRGH).Zambia N Samfya Distr., Lake Bangweulu, Mboyalubambe Is., 10 km south of Lake Chali, 1062 m, 6.iii.1996, Renvoize 5754 (K).
Distribution (external)
Guinea
Sierra Leone
Dem. Rep. Congo
![Rottboellia purpurascens Robyns [family GRAMINEAE]](/fsi/img/misc/plants/static_thumbs/flora_zambesiaca_icon96.jpg)
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