Scirpus expansus Fernald (Q3373)
Jump to navigation
Jump to search
Scirpus expansus is a taxon with the rank species within the genus Scirpus
Language | Label | Description | Also known as |
---|---|---|---|
English |
Scirpus expansus Fernald
|
Scirpus expansus is a taxon with the rank species within the genus Scirpus
|
Statements
taxon/id/Scirpus expansus Fernald
0 references
Scirpus expansus Fernald
Scirpus expansus
Fernald
FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
accepted
1 reference
CA-ON
1 reference
Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/
CA-NS
1 reference
CA-NS
1 reference
CA-ON
1 reference
US-AL
1 reference
US-CT
1 reference
US-DE
1 reference
US-DC
1 reference
US-GA
1 reference
US-ME
1 reference
US-MD
1 reference
US-MA
1 reference
US-MI
1 reference
US-NH
1 reference
US-NJ
1 reference
US-NY
1 reference
US-NC
1 reference
US-OH
1 reference
US-PA
1 reference
US-RI
1 reference
US-SC
1 reference
US-TN
1 reference
US-VT
1 reference
US-VA
1 reference
US-WV
1 reference
rhizomes reddish, long, with conspicuous nodes and internodes.
1 reference
Culms: fertile ones upright or nearly so;
1 reference
Leaves 5–8 per culm;
1 reference
sheaths of proximal leaves red;
1 reference
proximal sheaths and blades with septa many, conspicuous;
1 reference
blades 30–68 cm × 9–23 mm.
1 reference
Inflorescences terminal;
1 reference
rays divaricate or occasionally ascending, proximal branches scabrellous (rarely smooth), distal branches scabrous, rays without axillary bulblets;
1 reference
bases of involucral-bracts green or reddish, not glutinous.
1 reference
Spikelets in dense clusters of (1–) 3–13 (–24), (largest cluster with 7 or more), spikelets sessile, ovoid or narrowly ovoid, 2–6 × 1–3 mm;
1 reference
scales black with green midribs, ovate or broadly rounded-ovate to nearly triangular or broadly triangular, 1–2.2 mm, apex rounded to mucronate, mucro (if present) to 0.2 mm.
1 reference
Flowers: perianth bristles brittle-based, readily detached from achene, 6, stout, straight or curved, shorter than to 1.5 times as long as achene, with retrorse, thick-walled, sharp-pointed teeth densely arranged almost to base, at maturity projecting beyond scales;
1 reference
Achenes pale-brown, oblongelliptic to broadly elliptic or obovate in outline, planoconvex or sometimes plumply trigonous, 1–1.6 × (0.6–) 0.8–1 mm. 2n = 64.
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
broadly rounded-ovate
nearly triangular or broadly triangular
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
oblongelliptic
broadly elliptic or obovate
1 reference
1 reference
1 reference
1 reference
1 reference