Carex petricosa
| Carex petricosa | |
|---|---|
| Scientific 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
| |
Carex petricosa, also known as the rock-dwelling sedge,[2] is a flowering plant native to Alaska, western Canada, Montana, and Quebec.[3]
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
References
- ^ NatureServe (5 September 2025). "Carex petricosa". NatureServe Explorer. Arlington, Virginia. Retrieved 14 September 2025.
- ^ "Rockdwelling Sedge (Carex petricosa)". bplant.org. Retrieved 2025-09-14.
- ^ "Carex petricosa - FNA". floranorthamerica.org. Retrieved 2025-09-14.
- ^ "Flora of the Canadian Arctic Archipelago - Carex petricosa Dewey". nature.ca. Retrieved 2025-09-14.
- ^ "Carex petricosa in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2025-09-14.