ramulosa, Lessingia tenuis, Lessingia virgata Chamisso Linnaea 4: 203, plate 2, fig. 2. 1829. Staci Markos Etymology: For C. F. Lessing, 1809–1862, German-born
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teeth, 4–5 mm (2–4 mm from sinus), 70–90% as long as beak, puberulent; teeth erect, white, sometimes with deeply colored bases, 0.5–2 mm. 2n = 24. Generated
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or curled, sometimes borne between 2 minute teeth; paleas shorter than or equal to the lemmas, 2-veined; anthers (1-2) 3, purple, orange, yellow, or olivaceous
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169. Mentioned on page 136, 148, 170, 171, 173. Annuals or perennials, (2–) 10–90 (–120+) cm. Stems erect, branched distally or ± throughout. Leaves mostly
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greenish or red tinged, actinomorphic, 0.5–2 cm diam.; tepals 6, often connate basally, each bearing 1 or 2, sometimes obscure to absent, yellow to green
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glumes 2-keeled, flat or concave, usually not veined between the keels, sometimes 2-9-veined; anthers 1, 3 (2). Pedicels usually longer than 3 mm, similar
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1–10-ribbed, sometimes 2–10-ridged (ridges yellow to redbrown, clavate, translucent), faces sparsely to moderately strigose; pappi persistent, in (2–) 3 (–4) series
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not confluent into ribs, pyramidal, conic, or cylindric, 3–25 × 2–9 mm; areoles of 2 kinds: vegetative areoles (spine clusters) at tips of tubercles;
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cylindric or turbinate to hemispheric, 3–15+ mm diam. Phyllaries persistent or falling (in fruit), 8–14 in 2–3 series (erect in flowering, reflexed in fruit
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longer than the lemmas; lodicules 2, without venation, usually ciliate; anthers 3; ovaries with hairy apices; styles 2, bases free. Caryopses ovoid to fusiform
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or ovate to obovate, 3.5-40 mm; petals usually absent (present in A. patens), distinct, plane, obovate to elliptic, 1.5-2 mm; nectary present; stamens 10-200;
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lobes 4, abaxial 3, adaxial 1; stamens 2, basally adnate to corolla, filaments glabrous; staminode 0; ovary 2-locular, placentation axile; stigma pointed
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ovoid or ellipsoid, 2.5-12 mm > 2 1 Fruits prominently 5-ribbed, ± obovoid, sometimes narrowly so and tapering at both ends, 3-6 mm > 11 2 Flowers 6-16 per
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in many species of sect. Rhexia. In R. cubensis (2x, 4x, 6x), R. nashii (4x, 6x), and R. virginica (2x, 4x), conspecific plants of different ploidy apparently
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and channeled, not septate. Inflorescences terminal panicles or racemes of 2–many heads or single terminal head, sympodial; bracteoles absent below perianth
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racemelike. Spikelets 2-12 mm, usually laterally compressed, infrequently terete to subterete, usually lanceolate, sometimes ovate; florets (1) 2-6 (13), usually
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campanulate, cylindric, hemispheric, obconic, or turbinate, (4–19+ ×) 2–18 mm. Phyllaries 8–60 in 2–7 series (often in vertical ranks), 1-nerved (midnerves obscure
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5-6 (-8) mm, spurs ± upcurved, ascending 20-90° above vertical, (9-) 11-17 (-19) mm; lower petal blades ± covering stamens, 5-7 mm, cleft 2-4 mm; hairs centered
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laminae reflexed, 30–70 × 3–8 mm, sparsely hairy abaxially. Discs ovoid to conic, 2–3.5 × 2–3.5 cm. Disc corollas 4.5–6.2 mm, lobes pinkish to yellowish
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spikelike, not disarticulating. Spikelets 1-27 mm long, 0.5-9 mm wide, laterally compressed, with (1) 2-60 florets; disarticulation below the fertile florets
33 KB (1,388 words) - 03:56, 30 July 2020