Lomatium observatorium

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]

Lomatium observatorium

Critically Imperiled  (NatureServe)
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Apiales
Family:
Apiaceae
Tribe:
Selineae
Genus:
Lomatium
Species:
L. observatorium
Binomial name
Lomatium observatorium
Constance & Ertter

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
  1. "Lomatium observatorium". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 23 June 2015.
  2. The Nature Conservatory
  3. Constance, L. and B. Ertter. (1996). Post-manual adjustments in Californian Lomatium (Apiaceae). Madroño 43:4 515-521.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.