Difference between revisions of "Sphaeralcea procera"
Bull. Torrey Bot. Club. 70: 531, figs. 1, 2. 1943.
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|special status=Endemic | |special status=Endemic | ||
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|subfamily=Malvaceae subfam. Malvoideae | |subfamily=Malvaceae subfam. Malvoideae | ||
|genus=Sphaeralcea | |genus=Sphaeralcea | ||
Latest revision as of 22:23, 5 November 2020
Plants perennial. Stems erect, white, 30 dm, densely soft stellate-pubescent. Leaf blades white or yellow, lanceolate or ovate to triangular or cordate, 3-lobed, central lobe larger than laterals, 1–5 cm, rugose, coriaceous, base cuneate, margins irregularly dentate, wavy, surfaces stellate-pubescent. Inflorescences paniculate, narrow, crowded, multiflowered, interrupted, tip leafy; involucellar bractlets green. Flowers: sepals 5 mm; petals rose-purple, 10–13 mm; anthers yellow. Schizocarps helmet-shaped; mericarps usually 10, usually 3 × 2 mm, chartaceous, moderately reticulate dehiscent part 60% of height, tip acute, indehiscent part not wider than dehiscent part. Seeds 1 per mericarp, gray to black, pubescent.
Phenology: Flowering fall.
Habitat: Sandy soil
Elevation: 1400 m
Discussion
Sphaeralcea procera is known only from the type collection, from Luna County. It is closely related to S. polychroma, which is usually common when it is found. It is surprising that S. procera is known only from a single collection. Botanists, including me, have looked for it around the type locality without success. It is retained here pending evidence that it is conspecific with S. polychroma or extinct.
Selected References
None.