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|Jepson eFlora: Taxon page
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|Family: Plantaginaceae||View Description||Dichotomous Key|
|Genus: Holmgrenanthe||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Holmgrenanthe petrophila (Coville & C.V. Morton) Elisens
Habit: Perennial herb, glandular-puberulent to -hairy. Stem: erect to pendent, densely branching, becoming woody at base. Leaf: generally alternate; petiole 12--27 mm, not twining; blade 12--35 mm, 14--27 mm wide, +- round to reniform, irregularly bristly-dentate; veins palmate. Inflorescence: flowers 1 in leaf axils; pedicel 1--4 mm. Flower: sepals 5, +- equal, 9--13 mm, irregularly bristly-dentate; corolla white to pale yellow, tube-throat 20--24 mm, sac-like extension at base absent, floor with 2 longitudinal yellow folds, lower lip base generally not swollen, generally not closing mouth; stamens included, lower filaments 7--9 mm, upper 12--14 mm; style 9--10 mm. Fruit: 8--10 mm, +- spheric; chamber 1, septum incomplete, dehiscent by 2--3 pores. Seed: many, 2--3 mm, pitted.
Ecology: Limestone crevices of canyons; Elevation: 700--1700 m. Bioregional Distribution: n DMoj (Titus, Fall canyons, Death Valley region, Inyo Co.). Flowering Time: Apr--Jun
Synonyms: Maurandya petrophila Coville & C.V. Morton
eFlora Treatment Author: Margriet Wetherwax
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Holmgrenanthe
Next taxon: Keckiella
Citation for this treatment: Margriet Wetherwax 2017. Holmgrenanthe petrophila, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=28342, accessed on February 19, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 19, 2017.