Flora of North America species comparison

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Amorpha californica var. napensis

Amorpha californica var. californica
Photo is of parent taxon

indigo bush, Napa false indigo, Napa false indigo or indigo-bush
Photo is of parent taxon

California false indigo, California false indigo or indigo-bush
Habit Shrubs glabrous or glabrate. Shrubs mostly puberulent or short-pilose.
Leaflets

blade surfaces glabrous, except midveins adaxially pubescent.

blade surfaces puberulent to short-pilose.
Calyces

tube glab-rous or sparsely short-pilose;

lobes 0.4–0.8(–1) mm.

tube puberulent to short-pilose;

lobes (0.8–)1–2(–2.5) mm.
2n

= 20.

Amorpha californica var. napensis

Amorpha californica var. californica
Phenology Flowering May–Jul. Flowering May–Jul.
Habitat Wooded or chaparral slopes. Wooded or chaparral slopes.
Elevation 100–600 m. (300–2000 ft.) 200–2300 m. (700–7500 ft.)
Distribution
from FNA
CA
[BONAP county map]
from FNA
AZ; CA; OR; Mexico (Baja California)
[BONAP county map]
Discussion

Of all taxa of Amorpha in the flora area, A. californica is one of the most distinctive, due to the presence of spinelike glands. Of the two varieties, var. californica is the more widespread and common, with var. napensis a localized endemic in a small portion of northern California (Marin, Napa, and Sonoma counties). At this time, var. napensis is not listed by the state of California or any federal agency.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11. FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Amorpha > Amorpha californica Fabaceae > subfam. Faboideae > Amorpha > Amorpha californica
Sibling taxa
A. californica var. californica
A. californica var. napensis
Name authority Jepson: Man. Fl. Pl. Calif., 556. (1925) 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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