Flora of North America species comparison

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Oenothera capillifolia subsp. berlandieri

Oenothera capillifolia subsp. capillifolia
Photo is of parent taxon
Photo is of parent taxon
Habit Herbs perennial.Stems several–many, decumbent to ascending, moderately branched, (10–)25–40 cm. Herbs annual or short-lived perennial.Stems 1–several, unbranched or sparsely branched, ascending to erect, 30–80 cm.
Leaves

1–4 × (0.1–)0.3–0.6 cm;

blade margins subentire or serrate, sometimes weakly undulate.

2.5–9 × 0.2–1 cm;

blade margins remotely serrulate to spinulose-serrate.
Flowers

buds with free tips 0–2 mm;

sepals often with slightly keeled midribs.

buds with free tips 0.5–4 mm;

sepals with conspicuously keeled midribs.
2n

= 14.

= 14.

Oenothera capillifolia subsp. berlandieri

Oenothera capillifolia subsp. capillifolia
Phenology Flowering Mar–Sep. Flowering Mar–Sep.
Habitat Grassy prairies, plains, low hills, sandy, gravelly, and limestone soil, relatively dry areas, in vegetation dominated by mesquite, oaks, and Opuntia. Prairies, open places in oak savannas on rocky, clay, or sandy soil, often calcareous.
Elevation 0–1200 m. (0–3900 ft.) 0–900 m. (0–3000 ft.)
Distribution
from FNA
KS; NM; OK; TX; Mexico (Coahuila, Nuevo León)
from FNA
LA; OK; TX
Discussion

Subspecies berlandieri occurs in Meade, Reno, and Seward counties in Kansas, south through eastern New Mexico, the Texas Panhandle, and western Oklahoma to Crane, Culberson, and Ward counties in Texas, southeastward to near the Pecos and Rio Grande rivers to the Gulf Coast, becoming widespread on the Coastal Plain north to Milam County in Texas; it also occurs in the Santa Rosa Mountains of northern Coahuila, Mexico.

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

Subspecies capillifolia occurs from Blaine and Lincoln counties, Oklahoma, south through a narrow portion of north-central Texas to central Texas, where it is widely distributed, especially on the Edwards Plateau; also occurring locally in western and southern Louisiana. The floral tubes and/or stigma of some populations, especially from Bexar, Blanco, Comal, Gillespie, Hays, Kendall, Kerr, and Travis counties, Texas, are a deep blackish purple, while others are yellow, which is typical of the section.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 10. FNA vol. 10.
Parent taxa Onagraceae > subfam. Onagroideae > tribe Onagreae > Oenothera > sect. Calylophus > subsect. Calylophus > Oenothera capillifolia Onagraceae > subfam. Onagroideae > tribe Onagreae > Oenothera > sect. Calylophus > subsect. Calylophus > Oenothera capillifolia
Sibling taxa
O. capillifolia subsp. capillifolia
O. capillifolia subsp. berlandieri
Synonyms Calylophus berlandieri, C. drummondianus subsp. berlandieri, Meriolix berlandieri Calylophus berlandieri subsp. pinifolius, Meriolix hillii, M. melanoglottis, M. serrulata var. pinifolia, O. berlandieri subsp. pinifolia, O. serrulata var. maculatah., O. serrulata subsp. pinifolia, O. serrulata var. pinifolia
Name authority (Spach) W. L. Wagner & Hoch: PhytoKeys 28: 71. (2013) unknown
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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