Flora of North America species comparison

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Dalea tentaculoides

gentry's indigobush
Habit Shrubs or subshrubs, relatively erect, sparsely pilosulous or glabrous proximal to inflorescences.
Stems

3–6(–12) dm, glandular-tuberculate distally.
Inflorescences

spikes, relatively densely flowered, not involucrate, 11–15 mm diam.;

axis not to partially visible, 1–2(–2.5) cm;

bracts persistent or deciduous, (2.5–)3–5.5 mm.
Peduncles

(0–)0.2–2.2 cm.
Stamens

10, 8–9.5 mm, filaments distinct to 2.6–3.5 mm, anthers 0.7–1 mm.
Corollas

bicolored, banner whitish, reddish in age, epistemonous petals rose-purple; papilionaceous;

banner 6.2–6.7 mm, blade flabellate, 3–3.5 × 3.9–4.2 mm; epistemonous petals attached proximal to middle of stamen tube;

wings 4.9–5.8 × 2.2–3 mm;

keel connate valvately, blades 5–6.2 × 3.2–4.4 mm.
Calyces

asymmetric, recessed opposite banner, 5.2–7.8 mm, sparsely pilosulous;

tube 2.5–3.1 mm, with 0–2 glands between ribs, lobes lanceolate-acuminate, each with several elongated, pricklelike glands (gland spurs).
Legumes

3 mm, pilosulous distally, eglandular.
Seeds

1.5 mm.
Principal

leaves 3–6 cm;

leaflets 19–35, blades oblong-elliptic to obovate, 2.5–8 mm.

Dalea tentaculoides
Phenology Flowering spring (fall).
Habitat Rocks in canyons, rocky volcanic slopes in desert mountains.
Elevation 900–2200 m. (3000–7200 ft.)
Distribution
from FNA
AZ; Mexico (Sonora)
[BONAP county map]
Discussion

Dalea tentaculoides occurs in Santa Cruz and Pima counties. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Dalea
Sibling taxa
D. albiflora, D. aurea, D. bartonii, D. bicolor, D. brachystachys, D. cahaba, D. candida, D. carnea, D. carthagenensis, D. compacta, D. cylindriceps, D. emarginata, D. enneandra, D. exigua, D. exserta, D. feayi, D. filiformis, D. flavescens, D. foliosa, D. formosa, D. frutescens, D. gattingeri, D. grayi, D. greggii, D. hallii, D. jamesii, D. lachnostachys, D. lanata, D. laniceps, D. lasiathera, D. leporina, D. lumholtzii, D. mollis, D. mollissima, D. multiflora, D. nana, D. neomexicana, D. obovata, D. ornata, D. phleoides, D. pinnata, D. pogonathera, D. polygonoides, D. pringlei, D. pulchra, D. purpurea, D. reverchonii, D. sabinalis, D. scandens, D. scariosa, D. searlsiae, D. tenuifolia, D. tenuis, D. urceolata, D. versicolor, D. villosa, D. wrightii
Name authority Gentry: Madroño 10: 238, plates 18, 19. (1950)
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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