Flora of North America species comparison

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Clarkia imbricata

Clarkia delicata

Vine Hill clarkia

campo clarkia, delicate clarkia
Stems

erect, to 60 cm, glabrous or sparsely puberulent.

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

petiole 0–2 mm;

blade lanceolate, 2–2.5 cm.

petiole to 10 mm;

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

dense racemes, axis straight;

buds erect.

open racemes, sometimes branched, axis straight;

buds pendent.
Flowers

floral tube 10–15 mm, conspicuously veined, lavender striate within;

sepals reflexed individually;

corolla bowl-shaped, petals lavender shading to white proximally, with large, wedge-shaped purplish red spot near apex, 20–25 mm;

stamens 8, subequal;

ovary 8-grooved, longer than adjacent internode;

stigma exserted beyond anthers.

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.
Capsules

10–15 mm.

15–35 mm;

subsessile.
Seeds

brown or gray, 2 mm, scaly, crest 0.2 mm.

brown, 1–1.5 mm, tuberculate (especially on raphe), crest inconspicuous.
2n

= 16.

= 36.

Clarkia imbricata

Clarkia delicata
Phenology Flowering Jun–Jul. Flowering Apr–May.
Habitat Clearings, roadsides, chaparral. Oak woodlands, chaparral.
Elevation 50 m. (200 ft.) 0–1000 m. (0–3300 ft.)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
Discussion

Clarkia imbricata, known from only one small area of Sonoma County, is designated as rare by the California Native Plant Society, and is in the Center for Plant Conservation’s National Collection of Endangered Plants; it is a relict of a lineage with 2n = 16 that presumably contributed a genome to the tetraploid species C. davyi and the South American C. tenella.

Morphologically, Clarkia imbricata is most similar to C. speciosa, C. williamsonii, and some populations of C. purpurea. Clarkia imbricata can be distinguished from C. speciosa by the color pattern of the petals and from C. williamsonii and populations of C. purpurea with similar flower size and color pattern by its broader, ascending, overlapping leaves.

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

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.)
Source FNA vol. 10. FNA vol. 10.
Parent taxa Onagraceae > subfam. Onagroideae > tribe Onagreae > Clarkia > sect. Godetia Onagraceae > subfam. Onagroideae > tribe Onagreae > Clarkia > sect. Phaeostoma > subsect. Connubium
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. delicata, C. dudleyana, C. epilobioides, C. exilis, C. franciscana, C. gracilis, C. heterandra, 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
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
Synonyms Godetia delicata
Name authority H. Lewis & M. E. Lewis: Madroño 12: 38. (1953) (Abrams) A. Nelson & J. F. Macbride: Bot. Gaz. 65: 60. (1905)
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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