Flora of North America species comparison

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Clarkia tembloriensis

Clarkia imbricata

Temblor Range clarkia

Vine Hill clarkia
Stems

erect, to 80 cm, glabrous, glaucous.

erect, to 60 cm, glabrous or sparsely puberulent.
Leaves

petiole 0–5 mm;

blade gray-green, lanceolate, 2–7 cm, surfaces glaucous.

petiole 0–2 mm;

blade lanceolate, 2–2.5 cm.
Inflorescences

open racemes, axis erect;

buds pendent.

dense racemes, axis straight;

buds erect.
Flowers

floral tube 2–3 mm;

sepals reflexed together to 1 side, green, red-tinged or not, sparsely to densely puberulent abaxially, without longer, spreading hairs;

corolla rotate, petals lavender-pink, spot purplish or absent, ± diamond-shaped, 10–25 mm, claw slender, equal to or longer than blade, entire;

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

ovary with hairs as on sepals;

stigma exserted or not beyond anthers.

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.
Capsules

15–30 mm.

10–15 mm.
Seeds

unknown.

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

= 16.

Clarkia tembloriensis

Clarkia imbricata
Phenology Flowering Jun–Jul.
Habitat Clearings, roadsides, chaparral.
Elevation 50 m. (200 ft.)
Distribution
from USDA
California
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Subspecies 2 (2 in the flora).

Clarkia tembloriensis is derived from C. unguiculata and is closely related to C. exilis and C. springvillensis. Hybrids between the subspecies of C. tembloriensis have low fertility and the two taxa are rarely found together.

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

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.)
Key
1. Petals usually less than 10 mm wide; stigmas exserted beyond anthers or not.
subsp. tembloriensis
1. Petals about 10 mm wide; stigmas not exserted beyond anthers.
subsp. calientensis
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. Godetia
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. 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. 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. 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
C. tembloriensis subsp. calientensis, C. tembloriensis subsp. tembloriensis
Name authority Vasek: Madroño 17: 220. (1964) H. Lewis & M. E. Lewis: Madroño 12: 38. (1953)
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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