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Published In: Synopsis der Deutschen und Schweizer Flora 3(16): 2531. 1905. (Syn. Deut. Schweiz. Fl. (ed. 3)) Name publication detailView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Synonym Text: Scirpus subdiv. Bolboschoenus Ascherson, Fl. Prov. Brandenb. 1: 753. 1864.
General/Distribution: A genus with c. 16 species, distributed in all continents except S. America; represented in Pakistan by two species.

 

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Perennials, up to 1.5 m. Rhizome sturdy, creeping, producing tubers. Stem trigonous, smooth or scabrous along edges. Leaves basal, smaller or equalling stem; sheaths up to 17 cm, soft; ligule 0; blades up to 7 mm wide, keeled, scabrous. Inflorescence a multiple spike, sometimes anthelodium, or spikes congested to head; bracts much exceeding inflorescence; spikes up to 30 x 8 mm. Flowers bisexual, perianth bristles 4-7, inequal, stamens 3, stigmas 2-3. Nut trigonous or biconvex. Resembling Schoenoplectus, but leaf blades long; inflorescence either with few elongated branches (as in sect. Schoenoplectus) or spikes large and in capitula (Schoenoplectus sect. Actaeogeton); perianth bristles present.
 

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1 Inflorescence mostly a group of sessile spikes; spikes often yellow brown; stigmas mostly 2; nut bi-convex, epidermal cells hexagonal, wide, with translucent outer wall. 1 Bolboschoenus affinis
+ Inflorescence mostly branched multiple spike; spikes from dark brown to pale yellow; stigmas 3; nut trigonous, epidermal cells small, outer wall not translucent. 2 Bolboschoenus glaucus
 
 
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