Compilation
Aristida rigidiseta

1 Images see all

Previous
Next

Name

Identification
Isotype of Aristida rigidiseta Pilg. [family GRAMINEAE ] Verified by Not on sheet, Aristida rhiniochloa Hochst. [family GRAMINEAE ] (stored under name); Verified by Not on sheet,
Related name
  • Aristida rhiniochloa
  • Aristida rigidiseta

Flora

Entry for ARISTIDA rhiniochloa Hochst. [family POACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, Part (Part 1), page 1, (1970) Author: W. D. Clayton
Names
ARISTIDA rhiniochloa Hochst. [family POACEAE], in Flora 38: 200 (1855); F.P.S. 3: 393 (1956); G.T.: 24 (1965). Type: Ethiopia, Agau, Gageros, Schimper 1229 in Herb. Buehinger (K, P, iso.!)
ARISTIDA rigidiseta Pilg. [family POACEAE], in E.J. 51: 413 (1914). Type: South West Africa, Damaraland, Okahandja-Otjisaru, Dinter 2535 (B, holo. †)
ARISTIDA serrulata Chiov. [family POACEAE], in Agric. Colon. 18: 351 (1924). Type: Eritrea, Corni, Calciati & Braccioni (FI, holo.!)
ARISTIDA andoniensis Henr. [family POACEAE], in Med. Rijks Herb. Leiden 54B: 691 (1928). Type: South West Africa, Ovamboland, Andoni, Barnard 16519 (K, holo.!)
Information
Coarse tufted annual 20–60 cm. high; culm-internodes scabrid; nodes minutely pubescent. Leaf-blades flat, up to 20 cm. long and 4 mm. wide, harshly scabrid, bearded at the collar. Panicle 8–30 cm. long, usually narrow and interrupted, sometimes effuse. Spikelets coarse; glumes broad, papery, flushed with red, 1-nerved, scaberulous to smooth; lower glume 6–17 mm. long, distinctly longer than the upper, tapering to a short awn-point; upper glume 5–15 mm. long, bidentate and mucronate; lemma subterete, 7–13 mm. long, shorter than the glumes, coarsely scabrid with lines of barbs from base to apex or rarely almost smooth, keeled on the back, deeply grooved ventrally with inrolled margins, passing directly into the awns without articulation; callus 1 mm. long, obtuse, bearded; awns 15–30 mm. long, rigid, scabrid.
Range
DISTR. T5, 7 southwards to South West Africa and the Transvaal, also from Mauritania to Eritrea
Altitude range
1100 m.
Distribution
TANGANYIKA Mpwapwa, 28 Apr. 1935, Staples 364! & 2 June 1955, Bogdan 4017!TANGANYIKA Iringa District Mtera, Childs 196!
Notes
Recognized by its coarse habit, broad reddish glumes, scabrid lemma and stiff awns.

Related Materials