familyLimnanthaceae
genusLimnanthes
sectionLimnanthes sect. Limnanthes
speciesLimnanthes douglasii
subspeciesLimnanthes douglasii subsp. sulphurea
Limnanthes douglasii subsp. sulphurea
Madroño 36: 50. 1989.
Common names: Point Reyes meadowfoam
Basionym: Limnanthes douglasii var. sulphurea C. T. Mason Univ. Calif. Publ. Bot. 25: 477, fig. 7, plates 43, 44, 45b. 1952
Leaflets: blade ovate, margins irregularly toothed or lobed. Flowers cup or bell-shaped; sepals lanceolate-ovate, 8–10 mm; petals yellow (veins yellow), obovate-cuneate, 12–18 mm (apex deeply emarginate); filaments 4 mm; anthers yellow, oval, 1.5 mm. Tubercles absent or not (without surface globules, appearing slick), brown, lamellar, planar, or conical. 2n = 10.
Phenology: Flowering Apr–Jun.
Habitat: Wet meadows of coastal prairies
Elevation: 0-100 m
Discussion
Of conservation concern.
Subspecies sulphurea is easily recognized by its entirely yellow petals. It is known only from Point Reyes, Marin County, and the Butano Creek area, San Mateo County (R. Ornduff 1971).
Selected References
None.
Lower Taxa
None.
... more about "Limnanthes douglasii subsp. sulphurea"
hypogynous +
tetrasporangiate +
yellow +
oval +
1.5 cm15 mm <br />0.015 m <br /> (?) +
emarginate +
ovate +
absent +
Point Reyes meadowfoam +
absent +
Calif. +
absent +
distinct +
glabrous +
4 cm40 mm <br />0.04 m <br /> (?) +
5-merous +
bisexual +
rotate +
bell--shaped +
mature +
tuberculate +
ridged +
single +
absent +
glabrous +
axillary +
compound +
pinnate +
alternate +
lobed +
absent +
tuberculate +
ridged +
basal +
5-lobed +
unitegmic +
anatropous +
erect +
absent +
hypogynous +
convolute +
yellow +
distinct +
usually longer +
bright +
obovate-cuneate +
equal +
absent +
2-4-aperturate +
Madroño +
1989 +
lamellar +
not arillate +
persistent +
lanceolate-ovate +
not accrescent +
equal +
longitudinal +
unbranched +
3;5 +
absent +
Limnanthes douglasii subsp. sulphurea +
Limnanthes douglasii +
subspecies +
brown +
absent +
longer +
aging +
annual +