Flora of North America species comparison

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Clarkia rubicunda

Clarkia dudleyana

farewell-to-spring, ruby chalice clarkia

Dudley's clarkia
Stems

erect or decumbent, to 150 cm, puberulent;

buds erect.

erect, to 70 cm, puberulent.
Leaves

petiole to 10 mm;

blade lanceolate to elliptic, 1–4 cm.

petiole 3–10 mm;

blade narrowly lanceolate, 1.5–7 cm.
Inflorescences

open or dense spikes or racemes, axis straight;

buds erect.

open racemes, axis recurved at tip in bud;

buds pendent.
Flowers

floral tube 4–10 mm;

sepals reflexed together to one side;

corolla bowl-shaped, petals pink to lavender, base red or purplish red, fan-shaped, 10–30 mm, apex erose;

stamens 8, subequal;

ovary cylindrical, 4-grooved, puberulent;

stigma 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

20–40 mm;

pedicel 0–25(–40) mm.

10–30 mm.
Seeds

brown to grayish brown, 1.2–1.5 mm, scaly, crest 0.2 mm.

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

= 14.

= 18.

Clarkia rubicunda

Clarkia dudleyana
Phenology Flowering May–Aug. Flowering May–Jul.
Habitat Openings in woodlands, forests, chaparral, coastal scrub. 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 rubicunda is known from the central coast of California, from Contra Costa and Marin counties south along the coast and foothills to northern San Luis Obispo County.

Clarkia rubicunda is probably a derivative of C. amoena and may be ancestral to C. franciscana. Clarkia rubicunda is distinguishable from some populations of C. amoena only by the absence of a red spot or group of spots near the middle of the petal and the presence of a red area at the base of the petal. Clarkia rubicunda can be distinguished from C. franciscana by the position of the stigma and size and shape of the petals. All three species differ in chromosome arrangement and hybrids are highly sterile.

(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. Rhodanthos > subsect. Primigenia 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. 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. 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 rubicunda, C. rubicunda subsp. blasdalei, G. blasdalei Godetia dudleyana
Name authority (Lindley) 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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