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Carex petricosa

Species of flowering plant From Wikipedia, the free encyclopedia

Carex petricosa, also known as the rock-dwelling sedge,[2] is a flowering plant native to Alaska, western Canada, Montana, and Quebec.[3]

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Carex petricosa
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Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Carex
Species:
C. petricosa
Binomial name
Carex petricosa
Dewey
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Description

The rock-dwelling sedge grows 15–35 cm (6–14 in) high[4] in loose clumps with culms that are 10–90 cm (4–35 in) and have 3-8 spikes that are either female, male (rarely) or both. It has leaves that are 1–3.5 mm (0.04–0.14 in) wide, brown or black translucent staminate scales.[5]

Variants

The varieties can be distinguished by their amount of stigmas and achenes.

  • Carex petricosa var. petricosa: 3 stigmas and trigonous achenes
  • Carex petricosa var. misandroides: 2 stigmas and biconvex achenes

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