Flora of North America species comparison

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Rhynchosida physocalyx

beak sida, buff petal
Habit Plants with large taproot.
Stems

with hairs scattered.
Leaves

stipules 3–4 mm;

petiole 1/2–3/4 as long as blade;

blade 2–5 cm, apex obtuse to acute, surfaces coarsely hairy, hairs stellate abaxially, simple adaxially.
Pedicels

slender, 1–2 cm.
Flowers

calyx green-membranous, lobes apiculate;

petals yellow [red basally], 5–8 mm, subequal to calyx;

staminal column 3–4 mm, glabrous.
Seeds

2 mm.
Schizocarps

8–9 mm diam.;

mericarp blackish.
2n

= 16.

Rhynchosida physocalyx
Phenology Flowering spring–late fall.
Habitat Deciduous forests, shrublands, roadsides, fencerows, disturbed habitats, sometimes in pastures and lawns
Elevation 0–1500 m (0–4900 ft)
Distribution
from FNA
AZ; NM; OK; TX; Mexico; South America (Argentina, Bolivia, Brazil, Uruguay)
[WildflowerSearch map]
[BONAP county map]
Discussion

While this distinctive species, with its Physalis-like inflated fruits, is thought to be native over a wide area and disjunct between southern South America and Mexico and the United States, it is most commonly found in disturbed habitats as are so many other herbaceous mallows.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 6, p. 310.
Parent taxa Malvaceae > subfam. Malvoideae > Rhynchosida
Synonyms Sida physocalyx
Name authority (A. Gray) Fryxell: Brittonia 30: 458. (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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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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