|University of California, Berkeley|
|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 dipetala Hook. & Arn.
Habit: Shrub to small tree, 1.5--3(6) m. Stem: older stem bark gray, smooth; twigs cylindric to 4-angled, gray; buds +- glandular-puberulent. Leaf: compound, 7--18 cm, 5--9(11) cm wide; petiole 2.4--4.5 cm; leaflets (3)5--7(9), 2--4.5 cm, 1--2.5 cm wide, ovate to +- rounded, tapered at base, obtuse to +- rounded at tip, generally serrate-crenate, generally thin, glabrous, dark green adaxially, pale abaxially. Inflorescence: 8--15 cm. Flower: generally bisexual; calyx 1.2--2 mm, +- toothed, thin, green; petals 2, 3.5--6.5 mm, 1.3--3 mm wide, oblong-ovate, cream-white, +- cupped, narrowed and fused with filaments at base (rarely forming basal tube); anthers 2.4--4.2 mm; filaments 0.8--2.8 mm; stigmas +- < style. Fruit: 20--32 mm, 5--9 mm wide; body broadly oblanceolate, flat, broadly winged to near base; fruit pedicel tip slender. Chromosomes: 2n=46.
Ecology: Canyons, slopes, chaparral, oak/pine woodland; Elevation: 100--1300 m. Bioregional Distribution: KR, NCoR, CaR, SNF, c&s SN, CW, TR, PR. Flowering Time: Apr--Jun
eFlora Treatment Author: Family description, key to genera by Thomas J. Rosatti; treatment of genera by James Henrickson
Jepson Online Interchange
Previous taxon: Fraxinus anomala
Next taxon: Fraxinus latifolia
Citation for this treatment: Family description, key to genera by Thomas J. Rosatti; treatment of genera by James Henrickson 2016. Fraxinus dipetala, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=26100, accessed on February 07, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 07, 2016.