bracteoles absent. Flowers: post-mature petals pale paper brown; stamens 5 or 10–20, anthers white to ivory, pink, or purple, sometimes puce. Pomes bright
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et al., eds. 1905+. North American Flora…. 47+ volumes. New York. Ser. 2, part 10, pp. 180–195. Shinners, L. H. 1950. Notes on Texas Compositae. IV. Field
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sophioides, Descurainia torulosa Webb & Berthelot Hist. Nat. Îsles Canaries 3(2,3): 72. 1836. Barbara E. Goodson, Ihsan A. Al-Shehbaz Common names: Tansy mustard
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572, 577, 580, 586, 588, 590, 591, 592, 594, 611. Shrubs or trees, 10–60 (–80) dm, main trunk dominant. Stems: trunk bark gray and corrugated or buff
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to persistent basal rosettes, (0.5–) 2–7 (–10) dm, lengths (1.5–) 2–4 times basal leaves. Leaves: basal sometimes 2-ranked; cauline (0–) 1–4 (–5); primary
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revolute. Inflorescences cymose, compact, often flat-topped, 0.5–6 (–12) × 1–10 (–13) cm; branches dichotomous, whitish-lanate to brownish or reddish-tomentose
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flattened, perfectly septate. Inflorescences terminal panicles or racemes of 2 to –many heads, a single terminal head, or rarely a cyme of heads, sympodial;
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A. Graham Common names: Loosestrife Family Treatment appears in FNA Volume 10. Herbs, annual or perennial, shrubs, subshrubs, or trees, terrestrial, amphibious
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falcate bracteoles absent. Flowers: post-mature petals pale paper brown; stamens 10 or 20, anthers red, pink, purple, sometimes white, ivory, or cream. Pomes
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aromatic, often strongly so. Stems decumbent or ascending to erect, (0.5–) 1–10 (–12) dm. Basal leaves usually planar, sometimes ± cylindric; stipules usually
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spines absent; stamens 5 or fewer; ovary superior; style 1 or absent; stigmas 2 (–5), filiform. Fruits utricles or achenes, often enclosed in infolded perianth
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oblong-ovate, obovate, quadrangular, suborbiculate, or orbiculate, 0.2–10 × 0.2–6 cm, membranous to coriaceous, base tapering or truncate to rounded or
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abaxially pubescent or glabrous; stamens (5–) 10 or (18–) 20, anthers ivory, sometimes pink; styles 2–4 (or 5). Pomes usually bright to deep red or yellowish
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viridis, Draba weberi, Draba yukonensis, Draba zionensis Linnaeus Sp. Pl. 2: 642. 1753. Ihsan A. Al-Shehbaz, Michael D. Windham, Reidar Elven Etymology:
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Treatment appears in FNA Volume 10. Herbs, annual or perennial,or subshrubs, terrestrial or amphibious, 0.5–15 (–30) dm, green, gray-green, or gray-white
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papillate-swollen in proximal 1/5–1/2, 0.8–2.5 mm. Achenes ± smooth. North America, Eurasia, reportedly in s Australia Species ca. 30 (10 in the flora). The circumscription
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or coarse, stout, branching or not, strongly flexuous, 3–10 dm. Leaves: basal withering, 1–2 dm; blade linear. Inflorescences subumbellate, 1–6-flowered;
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cylindric; stamens 10, included; anthers without awns, tubules 2-4 mm, with terminal pores. Berries pseudo 10-locular. Seeds (4-) 10-25 (-40). 2n = 24, 48, 72
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leaflets indistinct, sparsely to densely hairy or glabrate. Cauline leaves (1–) 2–10 (–15), not paired; blade ± well developed. Inflorescences open to congested
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torus usually enlarged; carpels (2 or) 3–250 (–450), styles terminal (subterminal in Waldsteinia), distinct; ovules 1 or 2, basal, superposed. Fruits aggregated
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