Flora of North America species comparison

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Clarkia exilis

Clarkia modesta

Kern River clarkia, Kern River or slender clarkia, slender clarkia

Waltham Creek clarkia
Stems

erect, 30–100 cm, glabrous, glaucous.

erect, 20–70 cm, puberulent.
Leaves

petiole 0–5 mm;

blade bright green, lanceolate to narrowly elliptic, 1–6 cm, surfaces not glaucous, glabrous.

petiole 5–15 mm;

blade linear to narrowly lanceolate or elliptic, 2–4 cm.
Inflorescences

open racemes, axis erect;

buds pendent.

open racemes, axis recurved at tip in bud;

buds pendent.
Flowers

floral tube 1–3 mm;

sepals reflexed together to 1 side, usually green, sparsely to densely puberulent inside, without longer, spreading hairs;

corolla rotate, petals lavender-pink or white, often with dark purplish spot, usually diamond-shaped, 5–15 mm, claw slender, equal to or longer than blade, entire;

stamens 8, unequal, outer anthers red, inner smaller, paler;

ovary with hairs as on sepals;

stigma subequal to anthers.

floral tube 1–3 mm;

sepals reflexed together to 1 side;

corolla generally rotate, petals usually arranged in lateral pairs, pink, usually darker flecked, oblanceolate to diamond-shaped, scarcely clawed, 8–12 mm;

stamens 8, unequal, outer anthers lavender, inner smaller, paler.
Capsules

10–30 mm.

15–30 mm.
Seeds

brown, 1 mm, tuberculate, crest inconspicuous.

brown, 0.8–1 mm, tuberculate, crest inconspicuous.
2n

= 18.

= 16.

Clarkia exilis

Clarkia modesta
Phenology Flowering Apr–May. Flowering Apr–Jun.
Habitat Woodlands Sandy places in woodlands.
Elevation 0–1000 m. (0–3300 ft.) 0–1000 m. (0–3300 ft.)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Clarkia exilis is of limited distribution, known primarily from the southern Sierra Nevada Foothills and Tehachapi Mountain area in Kern and Tulare counties, with unverified reports from Fresno, San Luis Obispo, and Ventura counties. It is listed as rare by the California Native Plant Society.

Clarkia exilis is derived from C. unguiculata and is closely related to C. springvillensis and C. tembloriensis.

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

Clarkia modesta occurs mainly in the Inner North Coast Ranges, the San Francisco Bay area, and the South Coast Ranges, from Trinity to Santa Barbara counties, and in the central and southern Sierra Nevada Foothills, from Mariposa to Tulare counties.

Clarkia modesta is one of the parents of the tetraploid species C. similis, from which it differs by having darker pink petals.

(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. Phaeostoma Onagraceae > subfam. Onagroideae > tribe Onagreae > Clarkia > sect. Phaeostoma > subsect. Lautiflorae
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. 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
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. imbricata, C. jolonensis, C. lassenensis, C. lewisii, C. lingulata, C. mildrediae, 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
Name authority H. Lewis & Vasek: Madroño 12: 211. (1954) Jepson: Man. Fl. Pl. Calif., 673. (1925)
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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