|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: Brassicaceae (Cruciferae)||View Description||Dichotomous Key|
|Genus: Boechera||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Boechera yorkii S. Boyd
Habit: Caudex woody. Stem: generally 1 per caudex branch, from center of basal rosette at +- ground surface; 1--3 dm, proximally with short-stalked, 4--7-rayed hairs 0.1--0.5 mm, occasionally with simple and short- to long-stalked, 2--3-rayed hairs to 1.5 mm. Leaf: basal 1--3 mm wide, entire; hairs short-stalked, 4--7-rayed, 0.3--0.6 mm; cauline 9--17, distal hairy, basal lobes 0. Inflorescence: 8--35-flowered, not 1-sided in fruit; fruit pedicel reflexed, straight, 1--2 mm, hairs appressed, branched. Flower: sepals hairy; petals 9--10 mm, 0.8--1 mm wide, +- yellow to brick-red; pollen ellipsoid. Fruit: immature fruit reflexed, not appressed, +- 4 cm, hairy throughout; style +- 0.3 mm.
Ecology: Calcareous rock crevices, ledges; Elevation: 2250--2400 m. Bioregional Distribution: DMtns (Last Chance Range, Inyo Co.). Flowering Time: May Note: Mature fruit, seed not seen to date.
eFlora Treatment Author: Michael D. Windham & Ihsan A. Al-Shehbaz
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Boechera xylopoda
Next taxon: Brassica
Citation for this treatment: Michael D. Windham & Ihsan A. Al-Shehbaz 2017. Boechera yorkii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=81004, accessed on January 21, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 21, 2017.