re-evaluation of the genus Ambrosia (Compositae). J. Arnold Arbor. 45: 401–430. Peterson, K. M. and W. W. Payne. 1973. The genus Hymenoclea (Compositae: Ambrosieae)
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Elias Landolt WeedyIllustrated Basionym: Lemna oblonga Philippi Linnaea 29: 45. 1857 Treatment appears in FNA Volume 22. Treatment on page 151. Illustrator:
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Zaluzaniinae Cassini J. Phys. Chim. Hist. Nat. Arts 88: 189. 1819. Theodore M. Barkley†, Luc Brouillet, John L. Strother Treatment appears in FNA Volume
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mammillose laminal cells. Depauperate plants of M. arizonicum and M. thomsonii, but also, in a few cases, M. marginatum, have leaves with only a few single
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or ± equal to flowers. Calyces 7–11 mm; abaxial and adaxial clefts 3–6 mm, 45–75% of calyx length. Corollas light to bright-yellow, 14–26 mm; tube 13–22
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assessing shapes and in measurements of lengths and diameters. Baskin, J. M., K. M. Snyder, and C. C. Baskin. 1993. Nomenclatural history and taxonomic status
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obscure) linear to linear-lanceolate or triangular scales (0.2–1 mm), inner of 30–45 off-white, stramineous, or tan to rusty brown, barbellate, apically clavate
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Aristida ternipes and Aristida hamulosa (Gramineae). Sida 14:251-261 Vaughn, J.M. 1981. Systematics of Aristida dichotoma, basiramea, and curtissii (Poaceae)
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John Myers Copyright: Flora of North America Association Trees, to 20 (-45) m. Twigs densely tomentose. Leaves convex adaxially, to 120 mm, veins often
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depressed-spheric, depressed hemispheric, cylindric, or elongate cylindric, 1–40 (–45) × 1.8–15 (–20) cm, occasionally glaucous; tubercles usually coalescent into
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Volume 21. Treatment on page 93. Mentioned on page 65, 95, 100. Perennials, 10–45 (–100) cm (taproots slender or massive, thick or thin-barked; caudices unbranched
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particularly fluid taxonomically, and some recent molecular classifications (M. F. Fay and M. W. Chase 2000) include Nomocharis in Lilium. Of the closest relatives
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vivipara subsp. macounii (Small ex J. M. Macoun) Soják Persicaria vivipara Polygonum viviparum var. macounii (Small ex J. M. Macoun) Hultén Treatment appears
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12. Treatment on page 102. Mentioned on page 78, 94, 95, 97. Shrubs, 0.1–3 m, matlike to moundlike. Stems prostrate, spreading, ascending, or erect, sometimes
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Majesty's Stationery Office, London, England. 389 pp. Columbus, J.T., M.S. Kinney, R. Pant and M.E. Siqueiros Delgado. 1998. Cladistic parsimonv analysis of internal
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speciesEleocharis aestuum Hines ex A. Haines Novon 11: 45. 2001. S. Galen Smith*, Jeremy J. Bruhl*, M. Socorro González-Elizondo*, Francis J. Menapace* Treatment
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by second day), oblong to ovate, 20–30 (–45) × 8–12 mm; stamens purple, 30–50 mm; anthers 9–10 mm; gynophore 45–80 mm in fruit; ovary 6–10 mm, glabrous;
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or as ornamental or fodder plants (J. D. Sauer 1967; D. M. Brenner 1990; J. T. Williams and D. M. Brenner 1995; S. Cheatham et al. 1995). The most commonly
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Treatment appears in FNA Volume 12. Treatment on page 61. Mentioned on page 43, 45, 62, 70, 72, 436. Shrubs or small trees, usually armed with thorns, sometimes
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Association Plants 2–4 m, pseudostem well-developed. Leaves 3–5 per shoot, green, longest blade 75–150 × 18–33 cm. Inflorescences erect, to 45 cm; cincinnal bracts
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