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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.



Dieter H. Wilken

Annual, perennial herb, [± subshrub]. Stem: generally branched at base. Leaf: alternate, simple, smaller upward, entire to pinnate- or palmate-lobed; lobes generally small-pointed at tip. Inflorescence: clusters, lateral or open to head-like, terminal. Flower: calyx generally bell-shaped, tube, sinuses membranous, glabrous to hairy, lobes generally small-pointed at tip; corolla generally salverform, radial or bilateral, white to red or lavender. Seed: slender, angled, ± winged, white to light brown.
30 species: western North America, southeastern United States, southern South America. (Greek: like Ipomoea) Perennial herb cross-, annual generally self-pollinated. Ipomopsis depressa moved to Loeseliastrum.
Unabridged references: [Grant & Wilken 1988 Bot Gaz 149:443–449]

Key to Ipomopsis

1. Corolla tube generally < 10 mm; inflorescence open to head-like, terminal

2. Annual

3. Corolla ± bilateral, deep pink to white mottled pink; stamens exserted ..... [I. effusa]

3' Corolla radial, generally white; stamens generally included ..... I. polycladon

2' Perennial herb ..... I. congesta

4. Leaf pinnate-lobed ..... subsp. congesta

4' Leaf palmate-lobed ..... subsp. montana

1' Corolla tube 10–45 mm; inflorescence clusters, lateral

5. Corolla white to pink or lavender, ± speckled at lobe bases, tube 25–45 mm ..... I. tenuituba

5' Corolla generally red, mottled white on lobes, throat or not, tube 5–30 mm

6. Corolla ± bilateral, lobes notched; stamens strongly exserted ..... I. tenuifolia

6' Corolla radial, lobes acute to acuminate; stamens included or exserted

7. Corolla tube 10–20 mm; anthers included; e Desert Mountains ..... I. arizonica

7' Corolla tube 20–30 mm; anthers exserted; Klamath Ranges, High North Coast Ranges, High Cascade Range, High Sierra Nevada, Great Basin Floristic Province ..... I. aggregata

8. Pollen white, light yellow, or ± blue; cauline leaf lobes acute ..... subsp. aggregata

8' Pollen generally blue; cauline leaf lobes blunt to rounded ..... subsp. bridgesii


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [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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