Papaver californicum

A. Gray

Proc. Amer. Acad. Arts 22: 313. 1887.

Common names: Western poppy
Endemic
Synonyms: Papaver lemmonii Greene
Treatment appears in FNA Volume 3.

Plants to 6.5 dm, glabrate or sparsely pilose. Stems simple or branching. Leaves to 15 cm. Inflorescences: peduncle glabrous or sparsely pilose. Flowers: petals light orange or orange-red, with pink-edged, greenish basal spot, to 2.5 cm; anthers yellow; stigmas 4-8 (-11), disc conic, usually umbonate. Capsules sessile, ellipsoid to obovoid-turbinate, distinctly ribbed, to 1.8 cm. 2n = 28.


Phenology: Flowering spring.
Habitat: Chaparral and oak woodlands, especially in grassy areas, clearings, burns and other disturbed sites
Elevation: 0-900 m

Discussion

Papaver californicum grows in central western and southwestern California in the Coast, Transverse, and Peninsular ranges. This is the only caulescent poppy, and the only annual one, native to the flora. In the past it has been included in Papaver sect. Rhoeadium, together with the other annuals that have glabrous capsules and distal leaves not clasping, which are native to Eurasia. Recently, based on differences in filament color, stigmatic disc shape, and capsule dehiscence, J. W. Kadereit (1988b) assigned P. californicum to a new monotypic section and suggested that it originated from the same stock as the perennial, scapose, arctic-alpine poppies (Papaver sect. Meconella).

Selected References

None.

Lower Taxa

None.
... more about "Papaver californicum"
A. Gray +
palmate +  and subpalmate +
parted +, lobed +, 1-3×pinnately +  and unlobed +
ellipsoid +  and obovoid-turbinate +
0 cm0 mm <br />0 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
Western poppy +
umbonate;conic +
sessile +  and subsessile +
0-900 m +
greenish yellow +
sessile +, pedicellate +  and symmetric +
transverse +, poricidal +, valvate +  and dehiscence +
Chaparral and oak woodlands, especially in grassy areas, clearings, burns and other disturbed sites +
paniculate +  and racemose +
terminal +  and axillary +
sessile +, petiolate +  and simple +
alternate +  and opposite or whorled +
cauline +  and basal +
incised +, scalloped +, toothed +  and entire +
multilocular +
pilose +  and glabrous +
distinct +
2 times number of sepals +
0 cm0 mm <br />0 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Flowering spring. +
3-18[-22]-carpellate +
Proc. Amer. Acad. Arts +
red +, orange +  and white +
carunculate +  and arillate +
distinct +
obovate +
branching +  and simple +
decumbent +, spreading +  and erect +
deciduous +  and persistent +
Papaver lemmonii +
Papaver californicum +
Papaver sect. Californicum +
species +
pilose +  and glabrate +