Synonyms: Dugaldia Cassini Plummera A. Gray Treatment appears in FNA Volume 21. Treatment on page 435. Mentioned on page 415, 416, 437, 446. Annuals, biennials
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Inflorescences oblong, 1.5–5 cm × 6–10 mm; proximal spikes ± distinct. > 21 21 Perigynia ascending to spreading; beak 0.6–1.3 mm; pistillate scales 3.4–4
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mm. > 21 21 Flower buds usually oblong-obovoid, rarely subglobose; sepal horns usually flattened adaxially, rarely terete. Argemone pleiacantha 21 Flower
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glabrous or tomentulose bractlets 1–3 mm. Involucres turbinate-campanulate, 7–21 × 8–12 mm. Phyllaries 10–16, lanceolate or oblong, 8–10 mm, (bases keeled
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(moderately) hairy. Inflorescences (3–) 7–10 (–15) -flowered, usually loose, (12–) 21–37 (–74) mm. Pedicels: 0 or 1 (or 2) subtended by a leaf, proximalmost (6–)
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Lasthenia californica subsp. macrantha de Candolle ex Lindley Edwards’s Bot. Reg. 21: sub plate 1780. 1835. Raymund Chan, Robert Ornduff† IllustratedEndemic Synonyms:
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Involucres campanulate to hemispheric or broader, 22–40 mm. Phyllaries persistent, 21–30+ in 2–3+ series, erect to spreading, distinct or nearly so, lanceolate
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adaxial sparsely hairy later. Inflorescences (6 or) 7–11 (–17) -flowered, (15–) 21–29 (–38) mm. Pedicels: (0 or) 1 or 2 (or 3) subtended by a leaf, proximalmost
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fastigiate, solitary or in colonies. Leaves half-unfolded; petiole (14–) 16–21.8 (–24) mm; blade elliptic to slightly obovate, (39–) 46–65 (–77) × (25–)
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mm; blade elliptic or oblong to ovate or obovate, (20–) 31–47 (–62) × (12–) 21–35 (–45) cm, base rounded to cordate, each margin with (0 or) 1–6 (–13) teeth
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unknown possibly from New Latin Tages, an Etruscan god Treatment appears in FNA Volume 21. Treatment on page 235. Mentioned on page 222. Annuals, perennials, subshrubs
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abaxially, marginally, or adaxially, or not glandular > 21 21 Hypanthia 0.5-1.1(-2.1) mm > 22 21 Hypanthia 2-8 mm > 23 22 Styles glabrous; flowers evenly
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Lindley Edwards’s Bot. Reg. 21: plate 1780. 1835. Raymund Chan, Robert Ornduff† Endemic Treatment appears in FNA Volume 21. Treatment on page 343. Mentioned
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Phytologia 85: 21. 1999. William A. Weber IllustratedEndemic Basionym: Wyethia scabra Hooker London J. Bot. 6: 245. 1847 Treatment appears in FNA Volume 21. Treatment
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Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzengeographie 21: 303. 1895. Elias Landolt Etymology: For Johann Friedrich Wolff, 1778–1806
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distinct Treatment appears in FNA Volume 22. Treatment on page 145. Roots (1–) 2–21 per frond, abaxial surface at node. Fronds floating (only turions sink to
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name Amauria, and Greek - opsis, resembling Treatment appears in FNA Volume 21. Treatment on page 392. Mentioned on page 364, 366, 383, 393. Biennials (sometimes
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Viguiera sect. Heliomeris (Nuttall) S. F. Blake Treatment appears in FNA Volume 21. Treatment on page 169. Mentioned on page 136, 148, 170, 171, 173. Annuals
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membranous scale; stamens 2, 4-locular. Seeds 1–5, longitudinally ribbed. x = 10, 21, 22 Worldwide except arctic and antarctic regions In Lemna the connection
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Synonyms: Litrisa Small Trilisa (Cassini) Cassini Treatment appears in FNA Volume 21. Treatment on page 535. Mentioned on page 460. Perennials, 20–60+ cm (caudices
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