Botanical name: Schoenoplectus subulatus Family: Cyperaceae (Sedge family)
Synonyms: Scirpus pectinatus, Scirpus subulatus, Scirpus wardianus
Awl Club-Rush is a tall, aquatic, grass-like perennial herb, with culms round but trigonous below inflorescence, 60-150 cm tall, 3-10 mm in diameter. Leaves are reduced. Flowers are borne in umbel-like cluster, atop a tall stem. The umbel has branches 2-8 cm long, smooth or scabrous, with 1-3 spikelets per branch; involucral bract 2-10 cm long. Spikelets are oblong-ovoid, pointed, 8-15 mm long, 3-4 mm in diameter. Style is 2-fid. Nut is ellipsoid to obovoid, unequally biconvex, about 2 mm long, 1.2-1.5 mm in diameter, smooth, shining, grey-brown to dark brown. Awl Club-Rush is found in Africa to India to Australia.
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The flower labeled Awl Club-Rush is ...