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|Family: Plantaginaceae||View Description||Dichotomous Key|
|Genus: Antirrhinum||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Antirrhinum coulterianum Benth. ex A. DC.
Habit: Annual, glabrous except stem base, inflorescence hairy. Stem: erect but weak, often clinging to other plants or debris, 12--150 cm. Leaf: basal rosette occasionally present; petiole 0--3 cm, winged; blade < 11 cm, linear to lanceolate, tip acute to rounded. Inflorescence: raceme, terminal, flowers cleistogamous and opening; pedicels 1--5 mm, proximal-most generally to 13 mm, subtended by twining branchlets. Flower: calyx densely glandular hairy, hairs to 2.5 mm, lobes 3--6.4 mm, +- equal; corolla 9--12 mm, white to lavender; lower stamens becoming exserted. Fruit: 5--10 mm; upper chamber indehiscent. Seed: +- 1 mm, ovoid, black, netted and ridged. Chromosomes: n=15.
Ecology: Among shrubs in desert, generally on burns elsewhere; Elevation: < 2700 m. Bioregional Distribution: s SCoRO, SW (exc ChI), nw edge DSon; Distribution Outside California: northern Baja California. Flowering Time: Apr--Jul
Synonyms: Sairocarpus coulterianus (Benth. ex A.DC.) D.A. Sutton
eFlora Treatment Author: Margriet Wetherwax & David M. Thompson
Jepson Online Interchange
Previous taxon: Antirrhinum cornutum
Next taxon: Antirrhinum filipes
Citation for this treatment: Margriet Wetherwax & David M. Thompson 2017. Antirrhinum coulterianum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=13573, accessed on March 28, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 28, 2017.