Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



Lawrence R. Heckard, Family Coordinator

Annual to shrubs, generally glandular, some green root-parasites
Stem generally round
Leaves generally alternate, simple, generally ± entire; stipules generally 0
Inflorescence: spike to panicle, generally bracted, or flowers 1–2 in axils
Flower bisexual; calyx lobes generally 5; corolla generally strongly bilateral, generally 2-lipped (upper lip generally 2-lobed, lower lip generally 3-lobed); stamens generally 4 in 2 pairs, generally included, a 5th (generally uppermost) sometimes present as a staminode; pistil 1, ovary superior, chambers generally 2, placentas axile, style 1, stigma lobes generally 2
Fruit: capsule, generally ± ovoid, loculicidal or septicidal
Seed: coat sculpture often characteristic
Genera in family: ± 200 genera, 3000 species: ± worldwide; some cultivated as ornamental (e.g., Antirrhinum, Mimulus, Penstemon ) or medicinal (Digitalis )
Recent taxonomic note: Recently treated to include only Buddleja, Scrophularia, and Verbascum in CA; other genera moved to Orobanchaceae (Castilleja, Cordylanthus, Orthocarpus, Pedicularis, Triphysaria), Phrymaceae (Mimulus), and Plantaginaceae (= Veronicaceae sensu Olmstead et al.)
Key to genera by Elizabeth Chase Neese & Margriet Wetherwax.


Noel H. Holmgren

Subshrub or shrub
Stem wand-like to much-branched
Leaves drought-deciduous, ± opposite or in 3's, generally short-petioled
Inflorescence: panicle or spike-like; bracts small
Flower: calyx lobes 5, ± equal; corolla not purplish (whitish to red), short-glandular outside, upper lip hooded, lobes short, rounded, external in bud, lower lip rounded, lobes often reflexed; filaments densely nonglandular-hairy at base, anthers small, glabrous, anther sacs generally spreading flat at dehiscence; staminode well developed, glabrous to densely bearded; nectary a disk; stigma head-like
Fruit ovoid, septicidal and sometimes also loculicidal at tip
Seeds many, irregularly angled or ± winged
Species in genus: 7 species: especially CA
Etymology: (David D. Keck, CA botanist, 1903–1995)
Reference: [Straw 1966 Brittonia 18:80–95]
Segregated from Penstemon.


K. cordifolia (Benth.) Straw

Stem often spreading, < 30 dm; young stems glabrous to short-hairy
Leaves ± opposite; blade 20–65 mm, ovate, base rounded, truncate, or cordate, margin generally shortly 3–11-toothed
Inflorescence glandular and stiffly hairy, generally more densely hairy than herbage
Flower: calyx 7–13 mm, lobes ± lanceolate; corolla 31–43 mm, red to reddish orange, tube 18–25 mm, throat indistinct, upper lip 11–21 mm; anther sacs 1.1–1.5 mm; staminode densely yellow-hairy, included
Chromosomes: 2n=16
Ecology: Chaparral, forest
Elevation: < 1200 m.
Bioregional distribution: s Outer South Coast Ranges, Southwestern California
Distribution outside California: n Baja California
Horticultural information: DRN, SUN: 17, 24 or part SHD: 7, 14, 15, 16, 18, 19, 20, 21, 22, 23 &IRR: 8, 9. IRR in all zones reduces summer dormancy. A yellow-flower. variant is also grown.

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