Flora of North America species comparison

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Lathyrus venosus var. arkansanus
Photo is of parent taxon
Habit Herbs glabrous; tendrils branched.
Calyces

lateral lobes lanceolate, longer than tube.
2n

= 28.

Lathyrus venosus var. arkansanus
Phenology Flowering Apr–Jun.
Habitat Wood­lands.
Elevation 0–500 m. (0–1600 ft.)
Distribution
from FNA
AR; LA; OK; TX
Discussion

Lateral calyx lobes in var. arkansanus are somewhat polymorphic. It is found in the extreme southwestern corner of the distribution of the species.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Lathyrus > Lathyrus venosus
Sibling taxa
L. venosus var. intonsus, L. venosus var. venosus
Name authority Fassett: Rhodora 39: 377. (1937)
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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