Flora of North America species comparison

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Clarkia imbricata

Clarkia breweri

Vine Hill clarkia

Brewer's clarkia, fairy fans
Stems

erect, to 60 cm, glabrous or sparsely puberulent.

erect or decumbent, to 20 cm, glabrous or sparsely puberulent.
Leaves

petiole 0–2 mm;

blade lanceolate, 2–2.5 cm.

petiole to 20 mm;

blade linear to lanceolate, 2–5 cm.
Inflorescences

dense racemes, axis straight;

buds erect.

racemes, axis straight or recurved;

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 20–35 mm;

sepals reflexed together to 1 side, not petal-like, green to magenta;

corolla rotate, petals pink, broadly fan-shaped, 15–25 mm, length equal to width, without claw, 3-lobed, middle lobe longer and much narrower, linear to oblanceolate;

stamens 4, filaments wider distally;

ovary inconspicuously grooved;

stigma exserted beyond anthers.
Capsules

10–15 mm.

15–40 mm;

subsessile.
Seeds

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

reddish brown, 2–3 mm, scaly-tuberculate, crest to 0.8 mm, conspicuous.
2n

= 16.

= 14.

Clarkia imbricata

Clarkia breweri
Phenology Flowering Jun–Jul. Flowering Apr–Jun.
Habitat Clearings, roadsides, chaparral. Woodlands, chaparral.
Elevation 50 m. (200 ft.) 0–1000 m. (0–3300 ft.)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA
[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 breweri is restricted to dry woodlands and chaparral west of the Central Valley from the San Francisco Bay area into the southern Coast Ranges in Fresno, Monterey, and San Benito counties.

(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. Eucharidium
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. concinna, C. cylindrica, C. davyi, C. delicata, 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 Eucharidium breweri
Name authority H. Lewis & M. E. Lewis: Madroño 12: 38. (1953) (A. Gray) Greene: Pittonia 1: 141. (1887)
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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