|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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|Family: Apiaceae (Umbelliferae)||View Description||Dichotomous Key|
|Genus: Tauschia||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Tauschia howellii (J.M. Coult. & Rose) J.F. Macbr.
Habit: Plant 5--8 cm, glabrous. Stem: short, < leaves. Leaf: petiole 2--3 cm; blade 1.5--3 cm, ovate, 1-pinnate or -ternate, leaflets 5--15 mm, oblong to ovate, irregularly sharply toothed. Inflorescence: peduncle < 2 cm, generally < leaf; bractlets several, 1--2 cm, divided, sharply toothed, >> umbels; rays 3--5, 8--16 mm, unequal, or some 2° umbels sessile; pedicels < 5 mm. Flower: calyx lobes prominent; corolla yellow; styles slender. Fruit: 2--4 mm, oblong; ribs thread-like; oil tubes several per rib-interval; fruit axis divided +- to base. Chromosomes: 2n=22.
Ecology: Granitic gravel, ridge tops, Abies forest; Elevation: 2000--2500 m. Bioregional Distribution: KR (Salmon Mtns), n SNH; Distribution Outside California: southern Oregon. Flowering Time: Jun--Jul
eFlora Treatment Author: Lincoln Constance & Margriet Wetherwax
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Tauschia hartwegii
Next taxon: Tauschia kelloggii
Citation for this treatment: Lincoln Constance & Margriet Wetherwax 2017. Tauschia howellii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=46099, accessed on February 25, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 25, 2017.