Difference between revisions of "Jepsonia malvifolia"

(Greene) Small

Bull. Torrey Bot. Club 23: 19. 1896 (as malvaefolia) ,.

Common names: Island jepsonia
Basionym: Saxifraga malvifolia Greene Bull. Torrey Bot. Club 9: 121. 1882 (as malvaefolia)
Treatment appears in FNA Volume 8. Treatment on page 119.
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|genus=Jepsonia
 
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|species=Jepsonia malvifolia

Revision as of 23:26, 16 December 2019

Caudices branched, ovoid or flat. Leaves 2–3. Inflorescences diffuse or dense, (3–)4–17(–25)-flowered; bracts scalelike; peduncle greenish or olive, drying greenish or brown, branched distally, 6–23 cm. Flowers: hypanthium campanulate, 1–2 mm, ± equaling sepals; sepals yellow-green or pinkish, 1–2 mm, base flattened, glandular-viscid; petals persistent, alternate with sepals, distinct, white with red veins, 3–3.5 mm. Pollen yellowish. Capsules yellow-green with tan striations, beaks divergent. Seeds dark brown. 2n = 14.


Phenology: Flowering Sep–Nov.
Habitat: Rocky outcrops, coastal bluffs, chaparral, oak woodlands
Elevation: 0-500 m

Distribution

V8 236-distribution-map.gif

Calif., Mexico (Baja California [Guadalupe Island]).

Discussion

Of conservation concern.

Jepsonia malvifolia is uncommon and occurs on all of the Channel Islands except Anacapa, Santa Barbara, and San Miguel. Individuals of this species produce flowers that usually last longer than those of the other two members of the genus. Prior to 1992, this species was in decline on Santa Cruz and Santa Rosa islands because feral pigs ate the fleshy caudices. Populations have apparently rebounded to some extent since removal of the pigs.

Lower Taxa

None.