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- strongly constricted between seeds (usually breaking), strongly ribbed, beak narrowly conical; style 10–50 mm. Seeds (reddish-brown or dark-brown to black),8 KB (808 words) - 12:21, 30 July 2020
- greenish brown or reddish-brown midstripes and pink, violet-pink, or reddish purple margins, usually oblanceolate, 10–20 × 4–7 mm, usually mucronate, margins10 KB (954 words) - 09:23, 30 July 2020
- 10–40 dm. Stems 1–8; bark initially reddish purple to brownish gray, becoming grayish red; winter buds red-purple to redbrown, conic to ovoid, 8–13 mm10 KB (780 words) - 14:30, 30 July 2020
- similar to abaxial, usually shorter, usually not hooked; adaxial central spine usually white (rarely gray, straw colored, pink, or reddish-brown), flat to11 KB (1,010 words) - 09:23, 30 July 2020
- juvenile and shaded leaves usually are less divided than older, sun-exposed or stressed ones, and the terminal lobes usually are smaller; some traits described28 KB (2,401 words) - 20:10, 29 July 2020
- or yellowish, usually purple-spotted, campanulate, 1.8–2.2 × 1.8–3 mm, glabrous; sepals spreading, green or greenish yellow, usually purple-spotted distally9 KB (731 words) - 12:55, 30 July 2020
- throat dark purple, golden yellow at base with reddish speckling, limb magenta to reddish purple, lateral adaxial lobes each with a dark purple basal spot7 KB (525 words) - 19:02, 29 July 2020
- side, apex usually acute, sometimes obtuse, abaxial surface usually glabrous except on veins, sometimes sparsely pubescent, adaxial usually appressed-pubescent11 KB (775 words) - 14:36, 30 July 2020
- eglandular and/or sparsely to densely stipitate-glandular. Leaves green or purple to ± gray, linear to lanceolate, 2–10 cm, not fleshy, margins plane, sometimes9 KB (702 words) - 18:54, 29 July 2020
- in submarginal bands; outer and middle appressed-ascending, bodies usually reddish-tinged, margins setulose-ciliolate, apices acuminate, spines 1–2 mm9 KB (749 words) - 20:30, 29 July 2020
- laminae rotundly elliptic, 5–15 mm. Disc corollas usually yellow with reddish veins (sometimes purple). Cypselae: perigynia brown, ± warty. 2n = 24. Phenology:4 KB (562 words) - 23:14, 29 July 2020
- Corolla lobes internally usually with maroon or reddish purple blotches or relatively uniformly colored, lacking maroon or reddish purple stripes or veins distally4 KB (557 words) - 19:25, 29 July 2020
- areole, red or reddish-brown (rarely yellow), some hooked, (30–) 56–100 × 0.7–1.2 mm; adaxial central spines usually 3 per areole, white, usually curved or9 KB (900 words) - 09:23, 30 July 2020
- 259. Mentioned on page 248. Plants forming tufts or open mats, green or reddish, rarely grayish, conspicuously glandular, resinously aromatic. Stems ascending7 KB (667 words) - 14:07, 30 July 2020
- 5–1 mm; petals deep reddish violet abaxially, white adaxially, upper 2 sometimes with purple patch basally, lateral 2 with purple patch basally beyond7 KB (607 words) - 11:17, 30 July 2020
- slender, 2–8 (–10) mm, slender-based; bristles dense, 2–6 mm, usually gland-tipped and reddish purple, glands ellipsoid to narrowly cupshaped. Leaves deciduous8 KB (634 words) - 14:27, 30 July 2020
- 399. Herbs, annual, glabrous, puberulent, or hoary. Stems usually erect, rarely decumbent, usually unbranched, sometimes branched, proximally (branches opposite15 KB (1,021 words) - 18:23, 29 July 2020
- by the commonly pink to pink-purple or purplish red inflorescences. Variety affinis usually has unbranched hairs and reddish to red-orange inflorescences4 KB (708 words) - 18:50, 29 July 2020
- 30–200 cm. Stems erect, usually not branched proximal to arrays of heads (from caudices or rhizomes). Leaves mostly cauline; usually opposite (rarely whorled17 KB (791 words) - 22:42, 29 July 2020
- 5, dark brown-purple to greenish yellow, plane, lanceolate to oblanceolate, usually clawed, ca. 2.5-5 mm; petals 5, distinct, brown-purple, plane, peltate6 KB (288 words) - 08:25, 30 July 2020