Flora of North America species comparison

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Clarkia dudleyana

Clarkia stellata

Dudley's clarkia

Lake Almanor clarkia, lake amador clarkia
Stems

erect, to 70 cm, puberulent.

erect, to 100 cm, puberulent.
Leaves

petiole 3–10 mm;

blade narrowly lanceolate, 1.5–7 cm.

petiole 5–30 mm;

blade lanceolate to elliptic or ovate, 1–5 cm.
Inflorescences

open racemes, axis recurved at tip in bud;

buds pendent.

open racemes, axis in bud recurved 1–3 nodes distal to open flowers;

buds pendent, narrowly obovoid, tip acute.
Flowers

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.

floral tube 1.5–2 mm;

sepals reflexed individually;

corolla rotate, petals lavender-purple, not dark-flecked or spotted, obovate, 6–8 × 3–5 mm, inconspicuously 3-lobed;

stamens 8, subequal, subtended by ciliate scales, pollen yellow;

ovary shallowly 4-grooved, puberulent;

stigma not exserted beyond anthers.
Capsules

10–30 mm.

20–25 mm;

pedicel 1–3 mm.
Seeds

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

unknown.
2n

= 18.

= 14.

Clarkia dudleyana

Clarkia stellata
Phenology Flowering May–Jul. Flowering Jun–Jul.
Habitat Openings in woodlands, chaparral, yellow-pine forests, coastal sage. Open coniferous forests.
Elevation 0–1500 m. (0–4900 ft.) 1000–1500 m. (3300–4900 ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

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.)

Clarkia stellata is known from the southern Cascade–northern Sierra Nevada region, including Lassen, Nevada, Plumas, Shasta, Sierra, and Tehama counties (with unverified reports from Butte and Modoc counties).

Clarkia stellata is probably a self-pollinating derivative of C. mildrediae subsp. lutescens, to judge from pollen color. The two species are readily distinguishedby the much smaller flowers of C. stellata and the position of the stigma. Hybrids have low fertility due to chromosomal rearrangement. Clarkia stellata is morphologically very similar to the self-pollinating tetraploid C. rhomboidea but can be distinguished from it by yellow pollen and shallowly lobed, unspotted 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. Lautiflorae Onagraceae > subfam. Onagroideae > tribe Onagreae > Clarkia > sect. Myxocarpa
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. 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. 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. tembloriensis, C. unguiculata, C. virgata, C. williamsonii, C. xantiana
Synonyms Godetia dudleyana
Name authority (Abrams) J. F. Macbride: Contr. Gray Herb. 56: 54. (1918) Mosquin: Leafl. W. Bot. 9: 215. (1962)
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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