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


Steven L. Timbrook

Annual, bristly and generally soft; hairs unbranched
Stem erect, generally naked below, leafy above
Leaves alternate, simple, 1–4 cm, linear to oblanceolate, toothed; teeth with 1 bristle
Inflorescence: bracts leaf-like; pedicels glandular
Flower: calyx lobes equal, bristle-tipped, glandular-hairy; corolla 2-lipped, white to deep pink, upper lip generally 3-lobed with maroon arches above throat, lower lip 2-lobed, less marked; stamens attached at or below sinuses, unequal, curved, exserted, pollen yellow; style exserted
Fruit 2–5 mm, ovoid, 3-lobed in X -section; outer wall of valve indented between walls separating chambers
Seeds gelatinous when wet
Species in genus: 2 species: sw US, n Mex
Etymology: (Latin: like Loeselia )
Reference: [Timbrook 1986 Madroño 33:157–174]
Self-compatible; generally cross-pollinated.

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bioregional map for LOESELIASTRUM 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 Loeseliastrum
Retrieve dichotomous key for Loeseliastrum
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