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Springville clarkia

graceful clarkia, slender clarkia, slender godetia

Stems

erect, 30–90 cm, glabrous, glaucous.

erect, to 90 cm, glabrous or puberulent.

Leaves

petiole 0–5 mm;

blade lanceolate, 2–9 cm, surfaces glaucous, glabrous.

petiole to 11 mm;

blade linear to narrowly lanceolate, 2–7 cm.

Inflorescences

open racemes, axis erect;

buds pendent.

racemes, axis recurved at tip in bud;

buds pendent.

Flowers

floral tube 3–4 mm;

sepals reflexed together to 1 side, usually dark red-purple, sparsely to densely puberulent abaxially, without long, spreading hairs;

corolla rotate, petals lavender-pink, usually with dark purplish spot near base, ± diamond-shaped, 13–15 mm, claw slender, equal to or longer than blade, entire;

stamens 8, unequal, outer anthers red, inner smaller, paler;

ovary with hairs as on sepals;

stigma exserted beyond anthers.

floral tube 1.5–10 mm;

corolla bowl-shaped, petals pink to lavender or light purple, often lighter toward base, unspotted or with red spot near middle or base, obovate or obdeltate, 6–40 mm;

stamens 8, subequal;

ovary 4-grooved, puberulent;

stigma exserted or not beyond anthers.

Capsules

15–30 mm.

25–50 mm, usually wider distally;

pedicel 0–10 mm.

Seeds

unknown.

brown or mottled with dark spots, 1.5–2 mm, scaly, crest 0.1 mm.

2n

= 18.

Clarkia springvillensis

Clarkia gracilis

Phenology Flowering May.
Habitat Woodlands.
Elevation 500 m. (1600 ft.)
Distribution
from FNA
CA
[BONAP county map]
from USDA
w United States
[WildflowerSearch map]
[BONAP county map]
Discussion

Clarkia springvillensis is a rare species known primarily from the vicinity of Springville in Tulare County, with one ambiguous collection from Kern County. Due to its very limited distribution, C. springvillensis is listed as rare by the California Native Plant Society. It is derived from C. unguiculata and is closely related to C. exilis and C. tembloriensis.

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

Subspecies 4 (4 in the flora).

Clarkia gracilis is a tetraploid derived from C. amoena and an unknown, presumably extinct, species related to C. arcuata and C. lassenensis. Clarkia gracilis is readily distinguished from C. amoena by the axis of the inflorescence in bud, which is not recurved in C. amoena; it is distinguished from C. arcuata and C. lassenensis by its four rather than eight-grooved ovary.

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

Key
1. Stigmas not exserted beyond anthers; petals 6–23 mm.
subsp. gracilis
1. Stigmas exserted beyond anthers; petals20–40 mm.
→ 2
2. Petals with red spot near mid blade, base of blades white.
subsp. sonomensis
2. Petals unspotted, base of blades red or bright red.
→ 3
3. Petals 20–30 mm.
subsp. tracyi
3. Petals 30–40 mm.
subsp. albicaulis
Source FNA vol. 10. FNA vol. 10.
Parent taxa Onagraceae > subfam. Onagroideae > tribe Onagreae > Clarkia > sect. Phaeostoma > subsect. Phaeostoma Onagraceae > subfam. Onagroideae > tribe Onagreae > Clarkia > sect. Rhodanthos > subsect. Jugales
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. speciosa, 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. 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
Subordinate taxa
C. gracilis subsp. albicaulis, C. gracilis subsp. gracilis, C. gracilis subsp. sonomensis, C. gracilis subsp. tracyi
Synonyms Godetia gracilis, G. amoena var. gracilis
Name authority Vasek: Madroño 17: 220. (1964) (Piper) A. Nelson & J. F. Macbride: Bot. Gaz. 65: 63. (1918)
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