Jepson eFlora: Taxon page
Vascular Plants of California
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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)
Reference: Nesom 2009 Lundellia 12:8--14
Unabridged Reference: Brooks 1977 Ph.D. Dissertation, Univ of Alabama, University Station
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
Jepson eFlora Author: Family description, key to genera by Thomas J. Rosatti; treatment of genera by James Henrickson
Reference: Nesom 2009 Lundellia 12:8--14
Unabridged Reference: Brooks 1977 Ph.D. Dissertation, Univ of Alabama, University Station
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Botanical illustration including Forestiera pubescens

botanical illustration including Forestiera pubescens

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Citation for this treatment: Family description, key to genera by Thomas J. Rosatti; treatment of genera by James Henrickson 2012, Forestiera pubescens, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=25982, accessed on June 18, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on June 18, 2019.

Forestiera pubescens
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© 2004 James M. Andre
Forestiera pubescens
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© 2011 Neal Kramer
Forestiera pubescens
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© 2013 Neal Kramer
Forestiera pubescens
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© 2015 Keir Morse
Forestiera pubescens
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© 2019 Neal Kramer
Forestiera pubescens
click for enlargement
© 2011 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
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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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All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.