Asclepias californica subsp. greenei

Woodson

Ann. Missouri Bot. Gard. 41: 178, fig. 98. 1954.

Common names: Greene’s milkweed
Endemic
Treatment appears in FNA Volume 14.
Revision as of 21:32, 6 October 2024 by imported>Volume Importer
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Corona segments 3–4 mm, apex truncate or rounded, opening extending from apex to base less than, rarely up to, halfway.


Phenology: Flowering Mar–Jul; fruiting May–Aug(–Sep).
Habitat: Slopes, hills, flats, ridge tops, stream banks, granite, shale, serpentine, igne­ous substrates, talus, gravel, sandy soils, grasslands, chaparral, oak woodlands, pine-oak and mixed-conifer forests.
Elevation: 200–2200 m.

Discussion

Subspecies greenei ranges north from Kern and San Luis Obispo counties. The corona may range to light pink from the more common red-violet coloration.

Selected References

None.

Lower Taxa

None.
Mark Fishbein +
Woodson +
Acerates tomentosa +
Greene’s milkweed +
200–2200 m. +
Slopes, hills, flats, ridge tops, stream banks, granite, shale, serpentine, igneous substrates, talus, gravel, sandy soils, grasslands, chaparral, oak woodlands, pine-oak and mixed-conifer forests. +
Flowering Mar–Jul +  and fruiting May–Aug(–Sep). +
Ann. Missouri Bot. Gard. +
Acerates +, Anantherix +, Asclepiodella +, Asclepiodora +, Biventraria +, Oxypteryx +, Podostemma +, Podostigma +  and Solanoa +
Asclepias californica subsp. greenei +
Asclepias californica +
subspecies +