Heracleum lanatum (Cow Parsnip)

8/15/11 Onion Valley, Independence Region, Inyo National Forest, Eastern Sierra, Inyo County, CA

7/9/07 Kay's Silver Lake Resort, Hwy. 88 (Carson Pass Hwy.), El Dorado National Forest,

Sierra Nevada, Amador County, CA

7/9/07 Kay's Silver Lake Resort

7/6/02 Onion Valley

7/8/00 Onion Valley

LIFE LIST NOTES:

COMMON NAME: Cow Parsnip

SPECIES: Heracleum lanatum

FAMILY: Apiaceae (Carrot Family)

LIFE LIST DATE: 7/8/2000

LOCATION: Onion Valley, 9,200' elevation, Independence Region, Inyo National Forest, Eastern Sierra, Inyo County, CA

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Treatment from The Jepson Manual (1993):

Plant 1–3 m, stout, strong-scented, tomentose

Leaf round to reniform; petioles 1–4 dm, widely sheathing, upper sheaths enlarged, bladeless; blades 2–5 dm wide, ternate, leaflets 1–4 dm wide, ovate to round, cordate, coarsely serrate and lobed

Inflorescence tomentose or long-hairy; peduncle 5–20 cm; rays 15–30, 5–10 cm, unequal; pedicels 8–20 mm

Flower: petals obovate, white

Fruit 8–12 mm, obovate to obcordate, ± hairy

Ecology: Moist places, wooded or open

Elevation: < 2600 m.

Bioregional distribution: California Floristic Province, Great Basin Floristic Province

Distribution outside California: to Alaska, e US, Arizona

Flowering time: Apr–Jul

Relationship to some Eurasian taxa unclear; only native sp. in family occurring on both coasts of North America

Horticultural information: 4, 5, IRR: 6, 15, 16, 17, 24 &SHD: 7, 14, 18, 19, 20, 21, 22, 23.