Flora of North America species comparison

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Clarkia speciosa

red spotted clarkia, red spotted or redspot clarkia, redspot clarkia
Stems

erect or decumbent, to 60 cm, puberulent.
Leaves

petiole 0–5 mm;

blade linear to lanceolate, 1–6 cm.
Inflorescences

open or dense racemes or panicles, axis straight;

buds erect.
Flowers

floral tube 5–15 mm;

sepals usually reflexed individually or in pairs, or rarely together to one side, tips not distinct in bud;

corolla bowl-shaped, petals lavender to wine-red, often shading white or pale yellow toward base, unspotted or with bright red or purplish red spot near or proximal to middle, 10–25 mm;

stamens 8, subequal;

ovary 8-grooved;

stigma exserted beyond anthers.
Capsules

15–20 mm.
Seeds

brown or gray, 0.7–1 mm, scaly, crest 0.1 mm.

Clarkia speciosa
Distribution
from USDA
California
[WildflowerSearch map]
[BONAP county map]
Discussion

Subspecies 4 (4 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Petals without red or purplish red spot.
→ 2
2. Stems erect to decumbent; petals dark purplish red to lavender, ± white or pale yellow near base, rarely pale yellow throughout.
subsp. speciosa
2. Stems decumbent; petals lavender to pink shading pale yellow or white in proximal 1/2.
subsp. immaculata
1. Petals with bright red or purplish red spot near or proximal to middle.
→ 3
3. Inflorescences dense racemes.
subsp. nitens
3. Inflorescences open racemes or panicles.
→ 4
4. Petals usually with bright red spot; branches on well-developed plants many, few-flowered.
subsp. speciosa
4. Petals with purplish red spot; branches on well-developed plants virgate, few, many- flowered.
subsp. polyantha
Source FNA vol. 10.
Parent taxa 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. springvillensis, C. stellata, C. tembloriensis, C. unguiculata, C. virgata, C. williamsonii, C. xantiana
Subordinate taxa
C. speciosa subsp. immaculata, C. speciosa subsp. nitens, C. speciosa subsp. polyantha, C. speciosa subsp. speciosa
Synonyms Oenothera viminea var. parviflora, Godetia parviflora
Name authority H. Lewis & M. E. Lewis: Madroño 12: 34. (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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