Clarkia speciosa subsp. immaculata

H. Lewis & M. E. Lewis

Univ. Calif. Publ. Bot. 20: 291. 1955.

Common names: Pismo clarkia
Treatment appears in FNA Volume 10.

Stems decumbent, branches on well-developed plants few-flowered. Leaf-blades linear to narrowly lanceolate. Inflorescences open racemes. Petals lavender to pink shading pale-yellow or white in proximal 1/2, unspotted. 2n = 18.


Phenology: Flowering May–Jul.
Habitat: Sandy hills near coast.
Elevation: 0–100 m.

Discussion

Subspecies immaculata, known only from a small portion of San Luis Obispo County, is designated as rare by the California Native Plant Society.

Selected References

None.

Lower Taxa

None.
Harlan Lewis† +  and Peter C. Hoch +
H. Lewis & M. E. Lewis +
straight +
prostrate +  and decumbent +
Oenothera viminea var. parviflora +
indehiscent +  and loculicidal +
denticulate +  and entire +
linear +  and lanceolate +
1 cm10 mm <br />0.01 m <br /> (6 cm60 mm <br />0.06 m <br />) +
curved +  and straight +
indehiscent +  and loculicidal +
terete +, 4-angled +, clavate +, fusiform +, cylindrical +  and elongate +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
elongated +
inconspicuous +
Pismo clarkia +
bowl--shaped +
0.1 cm1 mm <br />0.001 m <br /> (?) +
0–100 m. +
basifixed +  and versatile +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
actinomorphic +
protandrous +  and bisexual +
pedicellate +  and sessile +
curved +  and straight +
indehiscent +  and loculicidal +
terete +, 4-angled +, clavate +, fusiform +, cylindrical +  and elongate +
Sandy hills near coast. +
unicellular-papillose +
linear +  and narrowly lanceolate +
deciduous +
numerous +  and 1 +
unspotted +, lavender +  and pink shading pale-yellow or white +
unlobed +, obovate +  and obdeltate +
0 cm0 mm <br />0 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Flowering May–Jul. +
few-flowered +
well-developed +
red +, lavender +, blue-gray +, yellow +  and cream +
Univ. Calif. Publ. Bot. +
basal +  and cauline +
several +  and 1 +
clavate +  and globose +
gray +  and brown +
few +  and numerous +
sculptured +  and smooth +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
pink +  and purplish red +
deciduous +
in pairs +  and reflexed +
parenchymatous +
parietal +, axile +  and placentation +
1 +, 4 +  and 2 +
unequal +
aquatic +, amphibious +  and terrestrial +
proximal +  and middle +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
subequal +
2 times as many or as many as sepals +
unbranched +  and sparsely branched +
decumbent +  and erect +
puberulent +
slender +  and stout +
0 cm0 mm <br />0 m <br /> (60 cm600 mm <br />0.6 m <br />) +
petiolate +  and sessile +
intrapetiolar +
aquatic +, amphibious +  and terrestrial +
Godetia parviflora +
Clarkia speciosa subsp. immaculata +
Clarkia speciosa +
subspecies +
3(-5)-aperturate +
distinct +
short-acute +
smooth +  and erose +
papillate +