perennial, subscapose or leafy-stemmed, 1–12 dm, glabrous or hairy; from stout caudices or rhizomatous, fibrous-rooted. Stems 1–5, erect, simple. Leaves winter-persistent
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Willdenow Ges. Naturf. Freunde Berlin Mag. Neuesten Entdeck. Gesammten Naturk. 1: 259. 1807. John L. Strother, Mark A. Wetter Common names: Gum-plant resin-weed
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to cuspidate, abaxial faces glabrous, resinous. Ray florets 1–7; laminae elliptic, 3–4 × 0.8–1.3 mm. Disc florets 4–8; corollas 4.5–6.5 mm. Cypselae tan
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sectionRosa sect. Pimpinellifoliae speciesRosa spinosissima Linnaeus Sp. Pl. 1: 491. 1753. Walter H. Lewis, Barbara Ertter, Anne Bruneau Common names: Burnet
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maturity, axes triquetrous. Spikelets 2-2.7 mm. Lower glumes 1.2-1.4 mm; upper glumes 1.1-1.3 mm; lemmas 2.2-2.7 mm, keels not winged, stiffly and sparsely
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Senecio fedifolius Rydberg Senecio nephrophyllus Rydberg Treatment appears in FNA Volume 20. Treatment on page 584. Mentioned on page 572, 574. Perennials,
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Kochia americana var. vestita S. Watson Kochia vestita Treatment appears in FNA Volume 4. Treatment on page 312. Mentioned on page 309, 311. Illustrator:
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Fl. Bor.-Amer. 1: 173. 1832 Synonyms: S. douglasii subsp. menziesii (Hooker) Calder & Roy L. Taylor S. subvillosa Treatment appears in FNA Volume 9. Treatment
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bases decumbent, terete or weakly compressed; nodes terete, 1 exserted. Sheaths closed for 1/4-1/3 their length, terete, smooth, glabrous, bases of basal
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5–15 × 3–10 cm height 1–1.5 times diam.; branches pubescent. Pedicels 1–3 mm, pubescent. Flowers 2–4 mm diam.; hypanthia hemispheric, 1 mm, abaxial surface
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margins entire to rarely crenate, apex sharp-pointed or rounded. Leaves 1.1–2.5cm × 1.25–1.5mm, spiraled and turned upward, flexible; cross section flat, grooved
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glabrous. Flowers 7–10 mm diam.; hypanthia campanulate, 1–1.5 mm, surfaces glabrous; sepals triangular, 1–1.5 mm; petals white to cream, orbiculate, 2–3 mm; staminodes
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base, (0.5-)1.2-2.4 × 0.3-1(-1.8) cm, thin and flexible, base long-attenuate, margins plane, entire, apex rounded or obtuse; surfaces abaxially dull, smooth
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rounded-hexagonal, (10–)15–18 µm wide, 1:1, strongly papillose with 4–5 2-fid papillae. Sexual condition autoicous. Sporophytes exerted. Seta 1–3 cm. Capsule stegocarpic
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Whittemore Conservation concernEndemic Treatment appears in FNA Volume 3. Shrubs, evergreen, 0.5-1.5 m. Stems often ± dimorphic, with elongate primary and
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petioles 1-5 cm. Leaflet blades thick and rigid; surfaces abaxially dull, papillose, adaxially glossy, green; terminal leaflet stalked, blade 2.6-6.6 × 1.7-4
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Pl. 1: 223. 1753. Sergei L. Mosyakin Common names: Mediterranean saltwort Damascus saltwort WeedyIntroducedIllustrated Treatment appears in FNA Volume
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bracts 3, scalelike, 1–4 × 0.5–2 mm. Peduncles deflexed, straight, slender, (0.05–)0.1–0.25 cm, glabrous. Involucres turbinate, 1.2–1.6 × 1–1.4 mm, glabrous;
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flexuous, thin, strongly papillose. Achenes ellipsoid to obovoid, 1.7–1.8 × 1.1–1.2 mm. 2n = 52. Phenology: Fruiting late spring–summer (late May–mid
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ellipsoid or ovoid, sharply 4-angled, 4.5–7 × 1.5–2.5 mm; sessile. Seeds 2–4, yellowish to reddish brown, 1.3–3 × 0.7–1.3 mm. 2n = 14. Phenology: Flowering (Jun–)Jul–Oct(–Nov)
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