''Hackelia brevicula'' is a species of flowering plant in the borage family known by the common name Poison Canyon stickseed.

Distribution

The plant is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to eastern

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

. It is native to the Inyo Mountains and White Mountains, within Inyo County and Mono County and the Inyo National Forest. It grows at in elevation, on dry rocky slopes, scrubby areas, and open quaking aspen stand habitats.Jepson eFlora: ''Hackelia brevicula''
/ref> It is a listed

Vulnerable species A vulnerable species is a species which has been Conservation status, categorized by the International Union for Conservation of Nature as being threatened species, threatened with extinction unless the circumstances that are threatened species, ...

, and is on the California Native Plant Society Inventory of Rare and Endangered Plants.California Native Plant Society, Inventory of Rare and Endangered Plants (online edition, v8-02): ''Leptosiphon acicularis''
. accessed 04.29.2016.

Description

''Hackelia brevicula'' is a perennial herb 20 to 60 centimeters tall and coated thinly in stiff hairs. Most of the leaves are located around the base of the plant, reaching up to 18 centimeters long; there are a few smaller leaves on the stem itself. The

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

is an open array of branches, each a coiling panicle of flowers. Each flower is just over a centimeter wide with light blue lobes with white appendages at the bases. The fruit is a cluster of nutlets which are often prickly. The bloom period is July.

References

External links

Calflora Database: ''Hackelia brevicula'' (Poison canyon stickseed)Jepson Manual eFlora (TJM2) treatment of ''Hackelia brevicula''UC CalPhotos gallery
{{- brevicula Endemic flora of California Flora of the Great Basin ~ ~ ~ Natural history of Inyo County, California Natural history of Mono County, California Flora without expected TNC conservation status