Flora of North America species comparison

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Clarkia breweri

Clarkia arcuata

Brewer's clarkia, fairy fans

glandular clarkia, glandular clarkia or fairyfan, glandular fairyfan
Stems

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

erect, to 8 cm, glabrous or puberulent.
Leaves

petiole to 20 mm;

blade linear to lanceolate, 2–5 cm.

sessile;

blade linear to narrowly lanceolate or oblanceolate, 1.5–6cm, surfaces glabrate.
Inflorescences

racemes, axis straight or recurved;

buds pendent.

racemes, axis recurved at tip in bud;

buds pendent.
Flowers

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.

floral tube 3–7 mm, puberulent with spreading hairs and shorter glandular hairs;

corolla bowl-shaped, petals pinkish lavender, lighter proximally, often with dark reddish spot at base, broadly obovate or obdeltate, 10–30 mm;

stamens 8, subequal;

ovary 8-grooved, sparsely puberulent, hairs mostly glandular;

stigma exserted beyond anthers.
Capsules

15–40 mm;

subsessile.

10–35 mm;

pedicel 5–15 mm.
Seeds

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

brown, 2 mm, minutely scaly, crest 0.5 mm, prominent.
2n

= 14.

= 14.

Clarkia breweri

Clarkia arcuata
Phenology Flowering Apr–Jun. Flowering Apr–Jun.
Habitat Woodlands, chaparral. Openings in woodlands and chaparral, serpentine soil.
Elevation 0–1000 m. (0–3300 ft.) 0–1600 m. (0–5200 ft.)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

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.)

Clarkia arcuata is primarily distributed in the foothills of the Sierra Nevada from Mariposa to Tehama counties, sparsely south to Kern County, and with one disjunct occurrence in Shasta County; it has also been reported from Napa County.

Clarkia arcuata is morphologically most similar to C. lassenensis, from which it differs in fruit characteristics. The two species have distinct areas of distribution and attempts to produce hybrids have not been successful.

(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. Eucharidium Onagraceae > subfam. Onagroideae > tribe Onagreae > Clarkia > sect. Rhodanthos > subsect. Flexicaules
Sibling taxa
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
C. affinis, C. amoena, 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
Synonyms Eucharidium breweri Oenothera arcuata, Godetia hispidula, O. hispidula
Name authority (A. Gray) Greene: Pittonia 1: 141. (1887) (Kellogg) A. Nelson & J. F. Macbride: Bot. Gaz. 65: 62. (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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