Flora of North America species comparison

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Clarkia mosquinii

Clarkia lewisii

Mosquin's clarkia

Lewis' clarkia
Stems

erect, to 100 cm, puberulent.

erect, to 50 cm, puberulent to glabrate.
Leaves

petiole 10–30 mm;

blade linear-lanceolate to ovate or elliptic, 2–5 cm.

petiole to 7 mm;

blade narrowly lanceolate to lanceolate, 2–5 cm.
Inflorescences

open racemes, axis recurved only at tip in bud, straight 4+ nodes distal to open flowers;

buds pendent, narrowly obovoid, tip obtuse.

open racemes, axis recurved at tip in bud;

buds pendent.
Flowers

floral tube 2–5 mm;

sepals reflexed individually;

corolla rotate, petals lavender-purple, often with darker spots, ± rhombic, unlobed, 10–20 × 6–13 mm, length 1.5–2 times width;

stamens 8, subequal, subtended by ciliate scales, pollen blue-gray;

ovary shallowly 4-grooved;

stigma exserted beyond anthers.

floral tube 1.5–4 mm, with ring of hairs at distal margin inside;

sepals reflexed together to 1 side;

corolla bowl-shaped, petals pinkish lavender shading white near middle, base purplish red or with red line, sometimes reddish purple-flecked, 10–30 mm;

stamens 8, unequal, width of all filaments subequal or inner slightly thinner, outer anthers lavender, inner smaller, paler.
Capsules

15–25 mm;

pedicel 0–3 mm.

15–70 mm, beak 0–3 mm.
Seeds

brown or gray, 0.9–1.2 mm, scaly.

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

= 12.

= 18.

Clarkia mosquinii

Clarkia lewisii
Phenology Flowering Jun–Jul. Flowering Jun.
Habitat Yellow-pine forests. Coastal scrub, woodlands, chaparral.
Elevation 200–300 m. (700–1000 ft.) 0–300 m. (0–1000 ft.)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Clarkia mosquinii is known only from a small area in the Feather River drainage at the northern limits of the Sierra Nevada range in Butte and (barely) Plumas counties; it is listed as rare by the California Native Plant Society.

Clarkia mosquinii is closely related to C. borealis and may be a derivative of that species with a reduced chromosome number. In addition to chromosome number, they differ in geographical distribution and shape of the buds, which are blunt at the tip in C. mosquinii and acute or acuminate in C. borealis. Clarkia mosquinii is also closely related, and probably ancestral, to two species with 2n = 10, C. australis and C. virgata, which have more southern distributions.

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

Clarkia lewisii is known primarily from Monterey County, sparsely in San Benito County, barely reaching Santa Clara County, and is listed as rare by the California Native Plant Society. It is most closely related and morphologically similar to C. cylindrica, from which it can be distinguished by having all filaments about equally wide and a ring of hairs at the rim of the floral tube; outer filaments of C. cylindrica are two times as wide as the inner ones, and the ring of hairs is within the tube below the rim. Clarkia lewisii is also closely related to C. rostrata, from which it differs conspicuously by having a much shorter capsule beak.

Clarkia lewisii is a new name applied to the species known until 1978 as C. bottae, following examination and reinterpretation of the type of Godetia bottae Spach by P. H. Raven and D. R. Parnell (1978). They determined that the type specimens of G. bottae actually referred to the species then known as C. deflexa (Jepson) H. Lewis & M. E. Lewis, and reapplied the name C. bottae to that species in sect. Fibula.

(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. Myxocarpa Onagraceae > subfam. Onagroideae > tribe Onagreae > Clarkia > sect. Phaeostoma > subsect. Sympherica
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. 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. 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 C. mosquinii subsp. xerophylla
Name authority E. Small: Canad. J. Bot. 49: 1216, fig. 4A,B. (1971) P. H. Raven & D. R. Parnell: Ann. Missouri Bot. Gard. 64: 642. (1978)
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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