Lomatium observatorium

Lomatium observatorium
Conservation status
	; Critically Imperiled (NatureServe)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Apiales
Family:	Apiaceae
Genus:	Lomatium
Species:	L. observatorium
Binomial name
	Lomatium observatorium; Constance & Ertter

Lomatium observatorium is a rare species of flowering plant in the carrot family known by the common names Mt. Hamilton desertparsley^[1] and Mount Hamilton lomatium. It is endemic to California, where it is known only from the mountains of Santa Clara County, including Mount Hamilton near the Lick Observatory.^[2] It may also occur in Stanislaus County.^[2] Its habitat includes mountain woodlands on volcanic and metamorphosed sedimentary rock substrates. Described The plant to science as a new species in 1996, the plant is a perennial herb growing low to the ground, the lightly hairy herbage growing from a long taproot.^[3]

The leaf blades are up to 12 centimeters long and are intricately divided into many subdivided lobes, the smallest segments linear or lance-shaped and pointed. The blades are borne on petioles a few centimeters in length. The inflorescence is an umbel of one or more clusters of tiny flowers borne on a peduncle, which is very short or elongated, up to 20 centimeters tall.

References

^ NRCS. "Lomatium observatorium". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 23 June 2015.
^ ^a ^b The Nature Conservatory
^ Constance, L. and B. Ertter. (1996). Post-manual adjustments in Californian Lomatium (Apiaceae). Madroño 43:4 515-521.

External links

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[1] NRCS. "Lomatium observatorium". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 23 June 2015.

[tnc-2] The Nature Conservatory

[ce-3] Constance, L. and B. Ertter. (1996). Post-manual adjustments in Californian Lomatium (Apiaceae). Madroño 43:4 515-521.

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