Wednesday, November 25, 2015

Calyptridium monospermum (One-Seeded Pussypaws)

6/12/04 Round Valley Trail, Mt. San Jacinto State Park, Riverside County, CA


COMMON NAME: One-Seeded Pussypaws

SPECIESCalyptridium monospermum

FAMILY: Montiaceae (Miner's Lettuce Family)


LOCATION: Round Valley Trail, Mt. San Jacinto State Park, Riverside County, CA


Treatment from The Jepson Manual (1993):

Perennial, < 50 cm; caudex short, thick; taproot slender to thick

Stems generally spreading to ascending, scapose to leafy

Leaves: basal rosette 1; basal leaves 1.5–6 cm; cauline leaves 0.8–3 cm

Inflorescence: umbel, generally compound, ± open, simple and dense in small plants, axillary, 2+ per rosette, 1–10 cm diam; bracts ovate to deltate; flowers subsessile to short-pedicelled, persistent in fruit

Flower: sepals 3–8 mm, ± round, clearly scarious; petals 4, 3–7 mm, rose to white; stamens 3, pink to rose; style ± 1 mm, thread-like

Fruit 2–3.5 mm, widely elliptic to ± round

Seeds 1–3

Ecology: Open, sandy or gravelly soils, coniferous forest

Elevation: 600–3200 m.  

Bioregional distribution: Klamath Ranges, High North Coast Ranges, Cascade Range, Sierra Nevada, Transverse Ranges, East of Sierra Nevada 

Distribution outside California: s Oregon, Nevada, Baja California

Hybridizes and intergrades with  C. umbellatum in SN.

No comments:

Post a Comment