The following Participating Institutions are custodians for this species in the CPC National Collection:
Santa Barbara Botanic Garden
The conservation of Pogogyne clareana is fully sponsored.
Dieter Wilken, Ph.D. contributed to this Plant Profile.
Santa Lucia mint is a delicate, strongly scented annual up to 40 cm tall with dense terminal clusters of deep pink flowers 10-15 mm long. It occurs along small ephemeral streams and in vernal pools. It was listed as Endangered by the State of California in 1979, based on reports of a few thousand individuals and a few occurrences. Surveys conducted by the Santa Barbara Botanic Garden provided the first accurate census for this species, raising the number of known occurrences to over 50, of which 9 supported populations with 10,000 to over 50,000 individuals. Nevertheless, several populations occur near dirt roads, and are vulnerable to dust during the flowering season, erosion, and to compaction from vehicles. Disruption of drainage systems also represent a potential threat to some populations.
Distribution & Occurrence
Sunny, sandy to gravelly banks of winter-wet, summer-dry stream banks and vernal pools, often in mixed oak woodland. Common associates include Muhlenbergia rigens (deer grass), Juncus, Eleocharis, Epilobium densiflorum, Hordeum brachyantherum, and other riparian herbs.
|At least 53 occurrences have been documented, of which about 20 have from 10 to 1000 individuals in an average year. Another 30 occurrences support colonies greater than 1000 each, of which at least 9 sites have between 10,000 to over 50,000 plants per year.|
Conservation, Ecology & Research
Flowering usually takes place for about 2 weeks during June. Flowers are actively visited by small bumblebees and sweat bees (Wilken pers. obs.) Each flower, however, produces only 1 seed.
Seeds apparently possess a physiological dormancy that lasts about 4-6 months, depending on temperature.
Potential modification or disruption of drainages during road maintenance.
Dust from vehicular traffic on roads immediately adjacent to some populations.
Studies of breeding system, dispersal, and ecological requirements to assess the limits of distribution.
Howell, J. 1973. A new Pogogyne. The Four Seasons. 4, 3: 22.