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|Jepson eFlora: Taxon page
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|Family: Plantaginaceae||View Description||Dichotomous Key|
|Genus: Antirrhinum||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Antirrhinum subcordatum A. Gray
Habit: Annual, nonglandular-hairy proximal to inflorescence. Stem: erect but weak, often clinging to other plants or debris, 8--90 cm. Leaf: petiole 0--20 mm; blade 5--60 mm, ovate, rounded at tip. Inflorescence: raceme-like or flowers 1 in axils, glandular-hairy, flowers all opening; pedicels 1--3 mm, proximal-most subtended by twining branchlets. Flower: calyx lobes unequal, 7--9 mm, upper 8--14 mm; corolla 13--17 mm, white to tan, throat floor expanded at mouth, lower lip lobes reflexed, poorly developed. Fruit: +- 6 mm, dehiscent by 3 pores at tip, 1 in upper chamber, 2 in lower. Seed: +- 1 mm, ovoid, dark brown to black, netted, ridged. Chromosomes: n=15.
Ecology: Gentle, open slopes on serpentine, often under shrubs; Elevation: 150--800 m. Bioregional Distribution: n&c NCoRI. Flowering Time: May--Jun
Synonyms: Sairocarpus subcordatus (A. Gray) D.A. Sutton
eFlora Treatment Author: Margriet Wetherwax & David M. Thompson
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Antirrhinum ovatum
Next taxon: Antirrhinum vexillocalyculatum
Citation for this treatment: Margriet Wetherwax & David M. Thompson 2016. Antirrhinum subcordatum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=13578, accessed on December 07, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 07, 2016.