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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Oleaceae||View Description||Dichotomous Key|
|Genus: Fraxinus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Fraxinus anomala Torr. ex S. Watson
Habit: Shrub to tree, 1.5--5 m. Stem: many; bark gray; twigs generally 4-angled, tan; buds glandular-puberulent. Leaf: simple and/or compound; petiole 1.2--3 cm; blade narrowly ovate to +- rounded, cordate to tapered at base, acute to rounded at tip, generally crenate-serrate to +- entire, thick, glabrous, yellow-green; if compound, leaflets 3--5, 2--10 cm, 1.5--6 cm wide. Inflorescence: 3--9 cm; bracts glandular-puberulent. Flower: generally bisexual; calyx 1.2--1.5 mm, irregularly cut, thin, green to +- purple; petals generally 0; anthers 1.5--2.5 mm, filaments 2--2.5 mm; stigma <= style. Fruit: 13--24 mm, 5--11 mm wide; body oblong-oblanceolate, broadly winged to near base; fruit pedicel tip slender. Chromosomes: 2n=46.
Ecology: Washes, rocky slopes, shrubland, pinyon/juniper woodland; Elevation: 1100--2400 m. Bioregional Distribution: n&e DMtns; Distribution Outside California: to Colorado, New Mexico. Flowering Time: Apr--May Note: Flowers bisexual but only 1/2 of plants produce fruit; plants rarely with petals, source of erroneous reports of Fraxinus dipetala in D.
eFlora Treatment Author: Family description, key to genera by Thomas J. Rosatti; treatment of genera by James Henrickson
Jepson Online Interchange
Previous taxon: Fraxinus
Next taxon: Fraxinus dipetala
Citation for this treatment: Family description, key to genera by Thomas J. Rosatti; treatment of genera by James Henrickson 2016. Fraxinus anomala, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=26094, accessed on July 24, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on July 24, 2016.