Habit: Annual to shrub, glabrous to hairy. Stem: generally erect. Leaf: generally +- sessile, generally toothed or entire. Inflorescence: raceme, bracted, flowers 1--4 per node. Flower: pedicel generally < calyx; occasionally cleistogamous; calyx generally green, lobes 5, generally << tube, generally unequal; corolla semi-persistent, shriveling on the developing capsule (deciduous, in D. mohavensis and D. pictus), white to red, maroon, purple, orange, or yellow, tube-throat floor generally with 2 longitudinal folds; anther sacs spreading; placentas 2, parietal; stigma lobes generally included. Fruit: generally ovoid to lanceolate in outline or nearly cylindric, dehiscent to near base along the upper suture, and at least in distal half along lower suture, or sometimes indehiscent, chambers 2. Seed: many, generally < 1 mm, ovoid, +- yellow to dark brown.
Species In Genus: 47 species: w United States, Mexico (Baja California). Etymology: (Greek: two cake, from the separated placentas in fruit at dehiscence) Note: Limb width measured between most distant points across corolla face.
Jepson eFlora Author: Naomi S. Fraga [TJM2 author David M. Thompson]
Reference: [Thompson 2005 Syst Bot Monogr 75:1--213; Barker et al. 2012 Phytoneuron 39:1--60]
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
Key to Diplacus

List of species Diplacus angustatus Diplacus aridus Diplacus aurantiacus Diplacus australis Diplacus bicolor Diplacus bigelovii Diplacus bigelovii var. bigelovii Diplacus bigelovii var. cuspidatus Diplacus bolanderi Diplacus brandegeei Diplacus brevipes Diplacus calycinus Diplacus clevelandii Diplacus compactus Diplacus congdonii Diplacus constrictus Diplacus cusickioides Diplacus douglasii Diplacus fremontii Diplacus grandiflorus Diplacus graniticola Diplacus jepsonii Diplacus johnstonii Diplacus kelloggii Diplacus layneae Diplacus leptaleus Diplacus linearis Diplacus longiflorus Diplacus mephiticus Diplacus mohavensis Diplacus nanus Diplacus parryi Diplacus parviflorus Diplacus pictus Diplacus pulchellus Diplacus puniceus Diplacus pygmaeus Diplacus rattanii Diplacus rupicola Diplacus thompsonii Diplacus torreyi Diplacus traskiae Diplacus tricolor Diplacus vandenbergensis Diplacus viscidus

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