Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
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Robert W. Patterson, Family Editor

Annual, perennial herb, shrub, vine
Leaves simple or compound, cauline (or most in basal rosette), alternate or opposite; stipules 0
Inflorescence: cymes, heads, or flowers solitary
Flower: calyx generally 5-ribbed, ribs often connected by translucent membranes that are generally torn by growing fruit; corolla generally 5-lobed, radial or bilateral, salverform to bell-shaped, throat often well defined; stamens generally 5, epipetalous, attached at same or different levels, filaments of same or different lengths, pollen white, yellow, blue, or red; ovary superior, chambers generally 3, style 1, stigmas generally 3
Fruit: capsule
Seeds 1–many, gelatinous or not when wet
Genera in family: 19 genera, 320 species: Am, n Eur, n Asia; some cultivated (Cantua, Cobaea (cup-and-saucer vine), Collomia, Gilia, Ipomopsis, Linanthus, Phlox )
Recent taxonomic note: *See also revised taxonomy of Porter and Johnson 2000 Aliso 19(1):55–91; Porter 1998 Aliso 17:83–85



Dieter H. Wilken

Annual, perennial herb
Stem generally branched at base
Leaves alternate, simple, gradually smaller upward, entire to pinnately or palmately lobed; lobes generally small-pointed at tip
Inflorescence: clusters, lateral and 1-sided or terminal and open to head-like, rarely solitary and pedicelled in lower axils
Flower: calyx generally bell-shaped, tube and sinuses membranous, lobes generally small-pointed at tip; corolla bell-shaped or salverform, radial or bilateral, white to red or lavender
Seeds slender, angled, slightly winged, white to light brown
Species in genus: 30 species: w North America, se US, s South America
Etymology: (Greek, striking appearance)
Reference: [Grant & Wilken 1988 Bot Gaz 149:443–449]
Perennial species cross-pollinated, annual species generally self-pollinated. Distinguished from Gilia by inflorescence, leaf morphology, chromosome number, flavonoid chemistry.


I. arizonica (Greene) Wherry

Perennial, dying after flowering once
Stem erect, glabrous or glandular, slightly hairy
Leaves: basal 3–5 cm, pinnately 7–11-lobed; cauline hairy
Inflorescence 1-sided; flowers 5–13 on upper third of axis
Flower: calyx lobes 1–3 mm, acuminate, glabrous to glandular-puberulent; corolla 11–20 mm, salverform, red, lobes 5–10 mm, flared to reflexed; stamens attached at same level, included; style included
Ecology: Open, sandy to rocky areas in canyons
Elevation: 1500–3100 m.
Bioregional distribution: Desert Mountains
Distribution outside California: s Nevada, n Arizona
Synonyms: I. aggregata subsp. a. (Greene) V.E. Grant & A.D. Grant
Horticultural information: TRY.

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bioregional map for IPOMOPSIS%20arizonica being generated
YOU CAN HELP US make sure that our distributional information is correct and current. If you know that a plant occurs in a wild, reproducing state in a Jepson bioregion NOT highlighted on the map, please contact us with that information. Please realize that we cannot incorporate range extensions without access to a voucher specimen, which should (ultimately) be deposited in an herbarium. You can send the pressed, dried collection (with complete locality information indicated) to us (e-mail us for details) or refer us to an accessioned herbarium specimen. Non-occurrence of a plant in an indicated area is difficult to document, but we will especially value your input on those types of possible errors (see automatic conversion of distribution data to maps).

Retrieve Jepson Interchange Index to Plant Names entry for Ipomopsis arizonica
Retrieve dichotomous key for Ipomopsis
Overlay Consortium of California Herbaria specimen data by county on this map
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