Flora of North America species comparison

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Clarkia affinis

Clarkia dudleyana

chaparral clarkia, chaparral clarkia or fairyfan, chaparral fairyfan

Dudley's clarkia
Stems

erect, to 80 cm, puberulent.

erect, to 70 cm, puberulent.
Leaves

petiole 0–3 mm;

blade linear to narrowly lanceolate, 1.5–7 cm.

petiole 3–10 mm;

blade narrowly lanceolate, 1.5–7 cm.
Inflorescences

dense spikes, axis straight;

buds erect.

open racemes, axis recurved at tip in bud;

buds pendent.
Flowers

floral tube1.5–4 mm;

sepals reflexed together to 1 side;

corolla bowl-shaped, petals 5–15 mm;

stamens 8, subequal;

ovary cylindrical, 8-grooved, length at least 10 times width;

stigma not exserted beyond anthers.

floral tube 1–3 mm;

sepals reflexed together to 1 side;

corolla bowl-shaped, petals lavender-pink, usually white-streaked, often red-flecked, broadly fan-shaped, 10–30 mm, apex subentire to crenulate;

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

15–30 mm, beak 3–7 mm;

pedicel 0–5 mm.

10–30 mm.
Seeds

brown or gray, 1–1.5 mm, scaly, crest 0.1 mm.

brown, 1 mm, minutely scaly to puberulent, crest inconspicuous.
2n

= 52.

= 18.

Clarkia affinis

Clarkia dudleyana
Phenology Flowering Apr–Jun. Flowering May–Jul.
Habitat Openings in woodlands and chaparral. Openings in woodlands, chaparral, yellow-pine forests, coastal sage.
Elevation 0–500 m. (0–1600 ft.) 0–1500 m. (0–4900 ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Clarkia affinis is known primarily from west-central California and the North Coast Ranges, and more scattered in the Sierra Nevada Foothills and Western Transverse Ranges.

Clarkia affinis is a hexaploid most closely related to C. purpurea; both have 2n = 52. Chromosome pairing in hybrids between them, as well as morphology, suggest that they have a tetraploid (2n = 34) genome in common. The two species are most readily distinguished by their immature capsules, which in C. affinis are slender, at least ten times longer than wide, beaked, and shallowly grooved, whereas those of C. purpurea are stout, not more than eight times longer than wide, not prominently beaked, and deeply grooved; the sepals of the former are generally reflexed together in fours whereas those of the latter are reflexed individually or in twos. Based on morphology and molecular data, the diploid genome probably came from C. cylindrica or a related species.

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

Clarkia dudleyana is a rather widespread species in California, known primarily from the central and southern Sierra Nevada foothills, the Tehachapi Mountain area, the Transverse Ranges, and the Peninsular Ranges, ranging from Tuolumne to Riverside counties, sporadically in the north to Nevada County and in the south to San Diego County

Clarkia dudleyana is morphologically most similar to C. biloba and C. modesta, but molecular data suggest that the relationship is not close. On the basis of chloroplast DNA sequence, C. dudleyana and C. heterandra are closely related.

(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. Biortis Onagraceae > subfam. Onagroideae > tribe Onagreae > Clarkia > sect. Phaeostoma > subsect. Lautiflorae
Sibling taxa
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. 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. 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 dudleyana
Name authority H. Lewis & M. E. Lewis: Madroño 12: 34. (1953) (Abrams) J. F. Macbride: Contr. Gray Herb. 56: 54. (1918)
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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