Calyptridium pygmaeum, common name pygmy pussypaws, is a plant species endemic to California. It has been reported from Riverside, San Bernardino, Inyo, Tulare and Fresno Counties, in pine and subalpine forests at elevations of 1900–3550 m.[3][4]
| Pygmy pussypaws | |
|---|---|
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Montiaceae |
| Genus: | Calyptridium |
| Species: | C. pygmaeum
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| Binomial name | |
| Calyptridium pygmaeum Parish ex Rydb.[2]
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| Synonyms[2] | |
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Calyptridium pygmaeum is an annual herb. Stems are horizontal, spreading out in various directions from the rootstock, each up to 8 cm (3.1 in) long. Leaves are up to 15 mm (0.59 in) long. Flowers form dense clusters at the ends of each of the branches. Sepals are egg-shaped and fleshy. The 4 petals are white, each up to 3 mm (0.12 in) long, remaining attached to the fruit. Capsule is egg-shaped, about 5 mm (0.20 in) across. Seeds are black, round and shiny.[3][5][6]
References
edit- ^ "NatureServe Explorer 2.0".
- ^ a b "Calyptridium pygmaeum Parish ex Rydb.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2021-03-23
- ^ a b Flora of North America v 4 p 463, Cistanthe pygmaea
- ^ Calflora taxon report, Calyptridium pygmaeum
- ^ Hershkovitz, Mark A. 1990. Phytologia 68(4): 268.
- ^ Rydberg, Per Axel. 1932. North American Flora 21(4): 320.
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