Heracleum sphondylium ssp. montanum

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Scientific Name Heracleum sphondylium ssp. montanum (Heracleum maximum) USDA PLANTS Symbol HEMA80
Common Name Cow Parsnip ITIS Taxonomic Serial No. 525943
Family Apiaceae (Parsley) SEINet
Reference
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Description Life zones and habitat: Foothills to subalpine (5000 to 10500 ft.); wet areas along stream banks, bogs, and in meadows.
Plant: Perennial 3 to 10 feet tall with stout, hollow, grooved hairy stem.
Leaves: Alternate, compound leaves divided into 3 large ovate to orbicular and cordate, leaflets 4 to 16 inches across; deeply lobed and coarse-toothed.
Inflorescence: One to several compound umbels each with 15 to 30 rays; each cluster 4 to 8 inches across on peduncles 1-1/2 to 8 inches long and with many small white flowers; each flower with 5 obovate to obcordate petals of unequal size.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel, Jepsen Herbarium and SEINet.
BONAP Distribution Map

Colorado Status:
Native

© Tom Lebsack 2020