sometimes underground tubers. Leaves monomorphic, evergreen. Petiole ca. 1/10–1/2 length of blade, base not swollen; vascular-bundles more than 3, arranged
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Heynhold in F. Holl and G. Heynhold in F. Holl and G. Heynhold, Fl. Sachsen 1: 538. 1842. Ihsan A. Al-Shehbaz Common names: Mouse-ear or thale cress Etymology:
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cylindric, 2–3 (–8) × 2 (–3) [–4] mm. Phyllaries (3–) 5, oblong to lanceolate orlinear, (2–) 3–8 mm. Ray-florets 0 or 1 (–3+); laminae whitish, 1–1.5 (–3+)
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3–5 mm, (claw to 2 mm, with a tooth on each side); filaments 2.5–4.5 mm. Fruits torulose, flattened, (1.5–) 2–4 (–4.8) cm × 0.8–1.2 mm; valves each with
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rounded-deltate overall, 10–30+ × 5–20+ mm, 1–2-pinnatisect, ultimate lobes linear to filiform, 2–25 × 0.5–1 (–2) mm, bases obscurely cuneate, ultimate margins
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rounded-deltate overall, 15–50+ × 12–40+ mm, 1–2-pinnatisect, ultimate lobes ovate or lanceolate to linear, 3–25+ × (1–) 2–3 (–15) mm, bases ± cuneate, ultimate
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lanceolate, (3–) 4–6+ mm. Ray-florets 0 or 1 (–5+); laminae whitish, 1–3 (–7) mm. Disc-florets 13–25+; corollas yellowish, 1–2 mm. Cypselae: outer redbrown, obcompressed
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mm; anthers 1.5–2 mm. Fruits usually fusiform or lanceolate, sometimes ovoid or cylindrical; valvular segment 1–3.5 mm; terminal segment (1–) 3–15 (–25)
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4-lobed, splitting into (2–) 4 mericarps; mericarps compressed to ± flattened, concave, or ± rounded, adaxially rounded, sometimes with 1–4 abaxial ridges, ridges
19 KB (1,182 words) - 21:01, 7 June 2022
lanceolate, 40–80 (–150+) × 15–40 (–60+) mm, sometimes laciniately 1-pinnatisect with 1–4+ lobes near bases, bases cuneate, margins entire or dentate to
10 KB (800 words) - 23:29, 29 July 2020
yellowish, 2.5–3 mm. Cypselae blackish or brown, flattened or unequally (3–) 4-angled, broadly cuneate, outer 2.5–4, inner 3.5–5 mm (lengths mostly 1.5–2.5 times
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(20–) 30–50 (–80+) × (3–) 6–20 (–30+) mm, sometimes laciniately 1-pinnatisect with 2–4+ lobes near bases, bases cuneate, margins incised to serrate, seldom
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mm, usually laciniately 1–2-pinnatisect, ultimate lobes (3–) 5–7+, oblanceolate or lanceolate to linear, (5–) 10–30 (–80+) × (1–) 4–8 (–12+) mm, bases cuneate
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either 1-pinnately lobed, primary lobes 3–5+, lanceolate to lance-linear, 30–120 × 3–25+ mm, or 2-pinnatisect, ultimate lobes linear, 5–30 × 1–2+ mm, bases
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rounded-deltate to ovate overall, 20–50+ × 15–35+ mm, (1–) 2–3-pinnatisect, ultimate lobes ± linear, (2–) 5–15+ × (0.5–) 2–3+ mm, bases ± cuneate, ultimate margins entire
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10–14+ mm. Disc-florets 60–75+; corolla-tubes 2–2.5 mm, limbs 4–5 mm. Cypselae 1.5–2 mm, glabrous; pappi 5–6 mm. 2n = 46, 92, 138. Phenology: Flowering mid
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or of 2 divergent, retrorsely barbed awns or ± deltate scales 0.1–0.5 (–1.5) mm. 2n = 24. Phenology: Flowering Aug–Oct. Habitat: Marshes, bogs, flood plains
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blade 20–49 (–57) × 4.2–19 mm, widest intersinus distance 1.1–5.3 mm; proximal oblanceolate to elliptic, margins pinnate to pinnatisect, lobes 4–10, slightly
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(aquatics). Leaves sessile; submersed blades multifid (2–3+-pinnatisect), ultimate lobes filiform, mostly 0.1–0.3 mm diam.; aerial blades ovate to lanceolate
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1800(2): 3, 17. 1802. Alan R. Smith Etymology: Greek gramme, line, alluding to the elongate sori in a few species Treatment appears in FNA Volume 2. Plants
4 KB (390 words) - 00:34, 30 July 2020