Pennisetum setaceum (Forssk.) Chiov.
Details
Pennisetum setaceum (Forssk.) Chiov. (1923)
Nomenclature
Classification
Vernacular names
Synonyms
Descriptions
Pennisetum setaceum (Forssk.) Chiov.
Thickly tufted perennials, to 100 cm, light green at base with narrow, inrolled leaves; branching intravaginal. Leaf-sheath rounded, or slightly keeled above, subcoriaceous, margins long-ciliate. Ligule 0.3-0.7 mm, a membranous densely ciliate rim. Collar hairs to 2.5 mm. Leaf-blade 15-30 cm × 0.5-1.5 mm, rather stiff, folded or ± involute, long-tapering, adaxially very scabrid; margins very scabrid, with a few scattered long hairs, tip filiform, acute. Culm 30-45 cm, erect, internodes with many, fine, finely scabrid ridges. Panicle 8.5-20 cm, narrow-cylindric, ± dense, spike-like, often tinged reddish purple; rachis hairs short, soft. Spikelets 5-6-(6.5) mm, lanceolate, acute, pale green to purple, solitary or in clusters of 2-3 on ciliate pedicels to 3 mm; involucre of numerous, plumose, fine, unequal bristles (15-25 mm), one longer, though not stouter bristle (to 35 mm). Lower glume a hyaline scale to 1 mm, or 0, upper 2-2.5 mm, 1-nerved, hyaline, minutely scabrid. Lower floret Ø or ♂: lemma 4.5-5 mm, 3-(5)-nerved, membranous, nerves minutely scaberulous near tip; palea ≈ lemma, hyaline, rounded, keeled near tip, minutely scaberulous, or palea 0; anthers 2-3 mm, or 0. Upper floret ☿: lemma 5.5-6 mm, 5-nerved, membranous, nerves scaberulous near mucronate tip; palea 4.5-5 mm, hyaline, keels scarcely scaberulous near tip; lodicules 0.3-0.4 mm; anthers 2-3 mm; styles connate, stigmas free; caryopsis c. 3 × 1.2 mm.
Taxonomic concepts
Pennisetum ruppellii Steud.
Pennisetum setaceum (Forssk.) Chiov.
Pennisetum setaceum (Forssk.) Chiov.
Pennisetum setaceum (Forssk.) Chiov.
Pennisetum setaceum (Forssk.) Chiov.
Pennisetum setaceum (Forssk.) Chiov.
Pennisetum setaceum (Forssk.) Chiov.
Pennisetum setaceum (Forssk.) Chiov.
Pennisetum setaceum (Forssk.) Chiov.
Pennisetum setaceum (Forssk.) Chiov.
Pennisetum setaceum (Forssk.) Chiov.
Pennisetum setaceum (Forssk.) Chiov.
Metadata
e56e2121-e9ba-43cd-938f-5ef2f35d0b98
scientific name
Names_Plants
1 January 2000
6 September 2011