species from Mexico and Guatemala. Among its members are Penstemon campanulatus (Cavanilles) Willdenow, P. gentianoides (Kunth) Poiret, and P. hartwegii Bentham
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distinct, unequal, not clawed, proximal petal small [large], distal 2 blue or blue-violet [white to pink], equal, large; stamens 6, all fertile, polymorphic; proximal
8 KB (397 words) - 00:53, 30 July 2020
bisexual, radially symmetric; sepals persistent in fruit, 5-25, blue to white or pink [yellowish white or green], plane, ovate, clawed [not clawed], 8-25 mm, apex
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to lanceolate, glabrous; corolla lilac to violet [blue, white], bilaterally symmetric, bilabiate and personate, tubular, tube base not gibbous, spurred
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erose, broadly scarious, glabrous; corolla lavender to violet, blue, pinkish blue, or white, with or without reddish violet nectar guides, tubular-funnelform
8 KB (716 words) - 19:08, 29 July 2020
fruit, 5, white to blue, yellow, or red, plane, narrowly ovate to oblong-lanceolate, short-clawed, 7-51 mm; petals 5, distinct, white to blue, yellow, or
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mm wide. Flowers: sepals 5-7, white, tinged purple (rarely abaxially blue proximally, white distally, and adaxially white), ovate to obovate, rarely elliptic
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to racemelike, 1.3–4 cm. Flowers: sepals, petals, and nectary usually blue to pale blue, rarely white. Capsules 4–5 mm wide, weakly lobed near apex; valves
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usually white, cylindric to urceolate, 4–6 mm; filaments ciliate; (tubules with introrse, elongate pores). Berries black or blue, rarely white, 3–12 mm
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20–35 mm, inner 30–55 mm, apex dry. Tepals blue, white in center, white zone sometimes edged with dark blue, ovatelanceolate, 2.5–3 cm; filaments distinct
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apex rounded to truncate. Flowers: sepals, petals, and nectary usually pale to deep blue, rarely white. Capsules 5–6 mm wide. 2n = 24. Phenology: Flowering
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root; proximal internodes much shorter than those of midstem. Leaves basal and cauline, largest near base of stem, others often abruptly smaller on distal
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symmetric, tubular, lobes triangular or lanceolate [ovate]; corolla blue, blue-purple, or white, bilaterally symmetric, bilabiate, tubular or funnelform, tube
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pistillate, fertile; corollas abaxially drying white or with blue to purplish blue midstripe, adaxially white. Disc-florets 25–200 [–250], bisexual, fertile;
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Erigeron and that both sections are relatively recently derived within the genus. As suggested by Nesom (1994b) and by Huber and Nilsson, and as discussed
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perianth blue to blue-violet (white in forma albispiritis); floral-tube funnelform, 1.2–1.5 cm; sepals blue or pale violet with flecks of white and lines
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bearing setiform scales (“flattened bristles”). Florets 15–36; corollas blue, pink, or white, tubes very slender, usually bent distally, throats abruptly expanded
8 KB (575 words) - 20:01, 29 July 2020
from flowers, green, sometimes white-margined, linear-lanceolate, 2-6 (-8) mm, puberulent. Flowers: sepals violet to white, ± puberulent, lateral sepals
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sepals violet to dark blue, ± puberulent, lower sepal 5-7 × 2-3.5 mm, lateral sepals 5-8 × 3-5 mm, spur 7-10 mm; petals blue to white, lateral lobes 3-5 mm
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Mitchell and J. K. Dean 1982). Additional analyses (e.g., G. Boraiah and M. Heimburger 1964; M. Heimburger 1959; C. Joseph and M. Heimburger 1966; and C. S
19 KB (1,214 words) - 15:30, 15 December 2020