Jepson eFlora: Taxon page
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Forestiera pubescens
DESERT OLIVE

Higher Taxonomy
Family: OleaceaeView DescriptionDichotomous Key

Common Name: OLIVE FAMILY
Habit: Perennial herb to tree [vine], hairs 0 or peltate or not; rarely dioecious. Leaf: simple to odd-pinnately compound, alternate or generally opposite, deciduous or evergreen; stipules 0. Inflorescence: various; flowers >= 1. Flower: generally bisexual, generally radial; calyx generally minute (0), tube cup-shaped, lobes 4--15; petals (0)4--6(8), generally fused; nectar disk often present; stamens (0)2(4--5), epipetalous; pistil 1, ovary superior, chambers 2, each 2--4 ovuled, placenta axile, style 1, stigma generally 2-lobed. Fruit: drupe, capsule, or winged achene. Seed: 1 per chamber.
Genera In Family: +- 25 genera, 900 species: +- worldwide; some cultivated for ornamental (Forsythia; Jasminum, jasmine; Ligustrum, privet; Syringa, lilac) or food (Olea, olive).
eFlora Treatment Author: Family description, key to genera by Thomas J. Rosatti; treatment of genera by James Henrickson, except as noted
Scientific Editor: Bruce G. Baldwin.
Genus: ForestieraView Description 

Habit: Shrub, erect to mounded; generally dioecious. Leaf: simple, opposite or clustered, generally deciduous, short-petioled. Inflorescence: axillary clusters; staminate flowers +- sessile; pistillate flowers pedicelled. Flower: unisexual [bisexual]; calyx minute, lobes awl-shaped, early-deciduous; corolla 0. Staminate Flower: stamens (1)4(6); filaments long, free (in California); anthers white [black]; pistil vestigial if present. Pistillate Flower: stamens 0 or 1--4, reduced, sterile (in California); ovules 2 per chamber; style short, slender; stigma head-shaped or 2-lobed. Fruit: drupe.
Species In Genus: +- 12 species: America. Etymology: (André Robert Forestier, French physician, teacher, 1736--1812)

Forestiera pubescens Nutt.
NATIVE
Habit: Shrub, 12--50 dm, generally rounded. Stem: many, bark smooth, tan-gray; twigs short, +- rigidly thorny, glabrous to puberulent. Leaf: blade 15--40(50) mm, elliptic or lanceolate to ovate, leathery, entire to minutely toothed, glabrous. Inflorescence: generally appearing before leaves. Staminate Flower: 1--5 per bud; pedicel +- 0; filaments 3--5 mm, yellow. Pistillate Flower: 1--8 per bud; pedicel 2--5 mm, green, some branched; ovary > 1 mm, style +- 1 mm. Fruit: 5--8 mm, elliptic in outline, +- glaucous, purple-black. Chromosomes: 2n=46.
Ecology: Streambanks, canyons, washes; Elevation: 100--1800 m. Bioregional Distribution: se NCoRI, s SNF, c&s SNH (e slope), Teh, e SnFrB, SCoR, TR, PR, s SNE, DMoj; Distribution Outside California: to Colorado, Texas, northern Mexico. Flowering Time: Mar--Apr Note: California specimens with glabrous stems, leaves, pedicels, except some in eastern San Bernardino Co.
Synonyms: Forestiera pubescens var. parviflora (A. Gray) Nesom; Forestiera neomexicana A. Gray var. arizonica A. Gray; Forestiera neomexicana var. neomexicana
eFlora Treatment Author: Family description, key to genera by Thomas J. Rosatti; treatment of genera by James Henrickson
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Citation for this treatment: Family description, key to genera by Thomas J. Rosatti; treatment of genera by James Henrickson 2016. Forestiera pubescens, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=25982, accessed on May 01, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 01, 2016.


Forestiera pubescens
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© 2004 James M. Andre
Forestiera pubescens
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© 2015 Keir Morse
Forestiera pubescens
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© 2005 James M. Andre
Forestiera pubescens
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© 2012 Steve Matson
Forestiera pubescens
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© 2012 Steve Matson
Forestiera pubescens
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© 2013 Neal Kramer

More photos of Forestiera pubescens in CalPhotos


Geographic subdivisions for Forestiera pubescens:
se NCoRI, s SNF, c&s SNH (e slope), Teh, e SnFrB, SCoR, TR, PR, s SNE, DMoj;
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.