''Pogogyne abramsii'' is a rare species of flowering plant in the

mint family The Lamiaceae ( ) or Labiatae are a family of flowering plants commonly known as the mint, deadnettle or sage family. Many of the plants are aromatic in all parts and include widely used culinary herbs like basil, mint, rosemary, sage, savory, ...

known by the common name San Diego mesa mint.

Distribution

It 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 ...

San Diego County, California San Diego County (), officially the County of San Diego, is a county in the southwestern corner of the U.S. state of California. As of the 2020 census, the population was 3,298,634, making it California's second-most populous county and the fi ...

, where it is known only from a few sites at

vernal pool Vernal pools, also called vernal ponds or ephemeral pools, are seasonal pools of water that provide habitat for distinctive plants and animals. They are considered to be a distinctive type of wetland usually devoid of fish, and thus allow the safe ...

s in and around

San Diego San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the List of United States cities by population, eigh ...

and its suburbs. Much of its range is located on the grounds of

Marine Corps Air Station Miramar Marine Corps Air Station Miramar (MCAS Miramar) , formerly Naval Auxiliary Air Station (NAAS) Miramar and Naval Air Station (NAS) Miramar, is a United States Marine Corps installation that is home to the 3rd Marine Aircraft Wing, which is the av ...

. The plant has been federally listed as an

endangered species An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inv ...

since 1978.

Description

''Pogogyne abramsii'' is a small, aromatic, densely hairy annual herb producing erect stems topped with tiny but showy

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 ...

s. The inflorescence contains purple-tinged green

bract In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, or of ...

s and densely hairy

sepal A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined b ...

s surrounding lipped, bell-shaped flowers each about a centimeter long. The flower is pinkish-purple with a purple-spotted white throat. It has a strong mint scent. The plant is

pollinated Pollination is the transfer of pollen from an anther of a plant to the stigma of a plant, later enabling fertilisation and the production of seeds, most often by an animal or by wind. Pollinating agents can be animals such as insects, birds, ...

by several species of bee, including

honey bees A honey bee (also spelled honeybee) is a eusocial flying insect within the genus ''Apis'' of the bee clade, all native to Afro-Eurasia. After bees spread naturally throughout Africa and Eurasia, humans became responsible for the current cosmo ...

(''Apis mellifera''), '' Exomalopsis nitens'' and '' E. torticornis'', and the

bee fly The Bombyliidae are a family of flies, commonly known as bee flies. Adults generally feed on nectar and pollen, some being important pollinators. Larvae are mostly parasitoids of other insects. Overview The Bombyliidae are a large family of fl ...

'' Bombylius facialis''. The

epithet An epithet (, ), also byname, is a descriptive term (word or phrase) known for accompanying or occurring in place of a name and having entered common usage. It has various shades of meaning when applied to seemingly real or fictitious people, di ...

''abramsii'' commemorates

LeRoy Abrams LeRoy Abrams (1874–1956) was an American botanist and author. He was a Professor of Botany at Stanford University Stanford University, officially Leland Stanford Junior University, is a private research university in Stanford, Californi ...

References

External links

Jepson Manual Treatment: ''Pogogyne abramsii''

USDA Plants Profile: ''Pogogyne abramsii''

California Native Plant Society Rare Plant Profile

''Pogogyne abramsii'' — Photo gallery
{{Taxonbar, from=Q5476357 abramsii Endemic flora of California Natural history of the California chaparral and woodlands Natural history of San Diego County, California Plants described in 1931 Flora without expected TNC conservation status