Flora of North America species comparison

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Clarkia delicata

Clarkia sect. Phaeostoma

campo clarkia, delicate clarkia
Stems

erect, 20–70 cm, glabrous and glaucous distally, usually puberulent basally.

Leaves

petiole to 10 mm;

blade lanceolate to elliptic or ovate, 1.5–4 cm.

Inflorescences

open racemes, sometimes branched, axis straight;

buds pendent.

axis recurved or erect;

buds pendent or erect.
Flowers

floral tube 2 mm;

sepals reflexed together to 1 side;

corolla rotate, petals oblanceolate to obovate, 8–12 mm, claw tapered, shorter than blade, apex entire;

stamens 8, unequal, outer anthers orange-red, inner smaller, paler.

floral tube obconic or campanulate, 1–5(–7) mm;

sepals reflexed together to 1 side (sometimes in pairs in C. epilobioides);

petals lavender, pink purplish, or white, obovate or spatulate to fan-shaped, unlobed or rarely 2-lobed, tapering to claw;

stamens 8, unequal, outer anthers darker pink or purple, inner shorter and pale pink or cream, rarely sterile (C. heterandra);

ovary 4- or 8-grooved or ribbed, or smooth (C. heterandra).
Capsules

15–35 mm;

subsessile.

narrowly cylindrical or subfusiform, or rarely broadly subclavate (indehiscent, nutlike capsule in C. heterandra), 4 or 8-grooved or smooth;

sessile or subsessile to long-pedicellate.
Seeds

brown, 1–1.5 mm, tuberculate (especially on raphe), crest inconspicuous.

2n

= 36.

Clarkia delicata

Clarkia sect. Phaeostoma
Phenology Flowering Apr–May.
Habitat Oak woodlands, chaparral.
Elevation 0–1000 m. (0–3300 ft.)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
nw Mexico; California
Discussion

Clarkia delicata is known in California only from the Peninsular Ranges, mainly in San Diego County with outliers in Riverside and San Bernardino counties, and in northern Baja California, Mexico. Because of its limited range, it is listed as rare by the California Native Plant Society. It is a tetraploid derived from hybridization between C. epilobioides and C. unguiculata.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Species 15 (15 in the flora).

Section Phaeostoma is the largest section in Clarkia, with the 15 species classified in seven subsections. For the most part, these correspond with groups delineated originally by H. Lewis and M. E. Lewis (1955). Within the part of the genus with dimorphic stamens (8 in 2 dissimilar sets that vary in size and color), the species of sect. Phaeostoma have entire petals that taper to a distinct claw. Even though molecular support for sect. Phaeostoma is not strong (R. A. Levin et al. 2004), at this time it seems preferable to stress similarities and maintain this variable group in one section.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 10. FNA vol. 10.
Parent taxa Onagraceae > subfam. Onagroideae > tribe Onagreae > Clarkia > sect. Phaeostoma > subsect. Connubium Onagraceae > subfam. Onagroideae > tribe Onagreae > Clarkia
Sibling taxa
C. affinis, C. amoena, C. arcuata, C. australis, C. biloba, C. borealis, C. bottae, C. breweri, C. concinna, C. cylindrica, C. davyi, C. dudleyana, C. epilobioides, C. exilis, C. franciscana, C. gracilis, C. heterandra, C. imbricata, C. jolonensis, C. lassenensis, C. lewisii, C. lingulata, C. mildrediae, C. modesta, C. mosquinii, C. prostrata, C. pulchella, C. purpurea, C. rhomboidea, C. rostrata, C. rubicunda, C. similis, C. speciosa, C. springvillensis, C. stellata, C. tembloriensis, C. unguiculata, C. virgata, C. williamsonii, C. xantiana
Subordinate taxa
Synonyms Godetia delicata Phaeostoma, C.
Name authority (Abrams) A. Nelson & J. F. Macbride: Bot. Gaz. 65: 60. (1905) (Spach) H. Lewis & M. E. Lewis: Univ. Calif. Publ. Bot. 20: 338. (1955)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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