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Phacelurus Griseb., Spicil. Fl. Rumel. Bithyn. 2:423. 1846. Sultan & Stewart, Grasses W. Pak. 1:140. 1958; Bor, Grasses Burma Ceyl. Ind. Pak. 199. 1960; Bor in Rech. f., Fl. Iran. 70:524. 1970; Clayton in Kew Bull. 33:175–179. 1978; Clayton in Tutin et al., Fl. Eur. 5:266. 1980.
Thyrsia Stapf
Perennials. Leaf–blades linear on rarely terete; ligule membranous. Inflorescence terminal, composed of subdigitate (rarely solitary or with a long central axis), ± flattened racemes; intemodes and pedicels clavate to inflated. Sessile spikelet flat or convex across the back (rarely concave); callus truncate, with or without a central peg; lower glume membranous to subcoriaceous, 2–keeled, winged or not; lower floret male or reduced to a hyaline lemma; upper lemma entire and awnless; caryopsis oblong, dorsally compressed. Pedicelled spikelet usually smaller than the sessile, sometimes vestigial or with an elongated callus.
A genus of 8 species in the tropics and subtropics of the Old World; 1 species occurs in Pakistan.
Lower Taxon
Related Synonym(s):
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