Flora of North America species comparison

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Carex canescens subsp. disjuncta
Photo is of parent taxon

carex disjoint, disjunct hoary sedge, silvery sedge
Culms

30–90 cm.
Inflorescences

6–12(–15) cm, all but distalmost spikes distant, proximal 2 spikes 2–5 cm apart.
2n

= 54.

Carex canescens subsp. disjuncta
Phenology Fruiting Apr–Jul.
Habitat Wet, usually base-poor habitats, such as sphagnum bogs, moist coniferous forests and meadows, from lowlands to near the timberline in mountains
Elevation 0–3500 m (0–11500 ft)
Distribution
from FNA
CT; DC; DE; IL; IN; MA; MD; ME; MI; MN; NC; NH; NJ; NY; OH; PA; RI; SC; VA; VT; WI; NB; NL; NS; ON; PE; QC; SPM
[BONAP county map]
Discussion

Carex canescens subsp. disjuncta is a dominating subspecies in the southern part of the range of the species in eastern North America; it grades into subsp. canescens in northern areas. Subspecies disjuncta differs from subsp. canescens in its longer culms (to 90 cm), leaves, inflorescences [1–12(–15) cm], and spikes. The subglobular spikes are often more numerous and the proximal separated by 2–5 cm. The perigynia are slightly longer, clearly wider and more abruptly beaked than in the type subspecies.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 23, p. 318.
Parent taxa Cyperaceae > Carex > sect. Glareosae > Carex canescens
Sibling taxa
C. canescens subsp. canescens
Synonyms C. canescens var. disjuncta, C. disjuncta
Name authority (Fernald) Toivonen: Ann. Bot. Fenn. 18: 94. (1981)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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