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Key to families | Table of families and genera

Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.

 

TRIPHYSARIA

Margriet Wetherwax, T I. Chuang & Lawrence R. Heckard


Annual, green to yellow-brown or ± purple; generally ascending-branched. Leaf: alternate or ± basal, sessile, ± linear, distal finely divided. Inflorescence: spike and/or flowers solitary in axils; bracts generally leaf-like. Flower: calyx ± equally 4-lobed; corolla tube generally slender, upper lip folded lengthwise, tip of upper 2 corolla lobes open, opening directed forward, forming a beak, lower lip deeply 3-pouched, 3-toothed, throat abruptly generally indented forming a fold proximal to lower lip; stamens 4, anther sac 1 per stamen, generally included; stigma generally slightly enlarged, entire to slightly 2-lobed. Seed: 20–80, 0.8–1.2 mm, ovoid, attached at base, dark brown; coat netted, generally tight-fitting.
2n=22.
6 species: western North America, China. (Greek: 3 bladders, from lower lip pouches) [Chuang & Heckard 1991 Syst Bot 16:644–666] Hybrids common. Related to Castilleja, Orthocarpus; isolated reproductively. {hort link}
Unabridged references: [Hong 1996 Novon 6:372–374]

Key to Triphysaria

1. Plant generally <= 20 cm, decumbent-branched from base; corolla 4–7 mm, beak hooked, pouches ± 1 mm deep ..... T. pusilla

1' Plant generally >= 10 cm, ± ascending-branched; corolla 8–25 mm, beak not hooked, pouches generally 1.5–4 mm deep

2. Stamens exserted; pouch ± 2 mm deep ..... T. floribunda

2' Stamens ± included; pouch depth generally > 2 mm deep (except Triphysaria micrantha)

3. Plant green- or yellow-brown, generally glabrous; corolla yellow or white, beak ± yellow ..... T. versicolor

4. Corolla yellow; coastal to inland ..... subsp. faucibarbata

4' Corolla white fading rose-pink; coastal ..... subsp. versicolor

3' Plant ± purple, generally puberulent at least distally; corolla sulphur-yellow or white to rose, beak dark purple

5. Corolla 8–15 mm, ± = bract, pouches 1–2 mm deep ..... T. micrantha

5' Corolla 10–25 mm, > bract, pouches 3–4 mm deep ..... T. eriantha

6. Corolla yellow ..... subsp. eriantha

6' Corolla white, fading rose-pink ..... subsp. rosea

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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