(2–) 20–500 cm. Leaves usually mostly cauline, rarely mostly basal; mostly opposite (distal often alternate) or mostly alternate, rarely whorled; petiolate
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in ± 2 series (usually distinct, rarely connate ± 1/10 their lengths, mostly oblong to linear, ± membranous, margins ± scarious). Receptacles flat to convex
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usually glabrous, sometimes stipitate-glandular (mostly distally). Leaves basal and cauline or mostly cauline; basal usually petiolate (petioles usually
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intergrading with distal peduncular bracts, mostly 1/5–1/2+ times phyllaries), sometimes 0. Involucres mostly cylindric or turbinate to campanulate, 5–15
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Leaves mostly basal or mostly cauline; usually opposite (distal sometimes alternate); petiolate or sessile; blades (often 3-nerved or 5-nerved) mostly deltate
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series and orbiculate to oblong, lance-oblong, lanceolate, or linear, unequal, or (with calyculi) 12–25+ in 2–3 series and oblong or lanceolate to linear
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usually distinct, sometimes connate 0.05–0.1 their lengths, mostly oblong or ovate to lance-oblong, chartaceous to membranous or scarious (usually striate
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mm diam. Phyllaries persistent, 4–6 in 1–2 series, erect, distinct, mostly oblong to ovate or lanceolate, equal or subequal, margins obscurely scarious
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5–13 [–20] mm diam. Phyllaries persistent, mostly 21–35+ in 3–5 series, distinct, deltate to lanceolate, oblong, or elliptic, unequal, margins and apices
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petiolate; blades deltate to ovate or oblong (in broad outline), usually 1–2-ternately lobed (lobes mostly oblong to obovate), ultimate margins entire or
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5–7 mm. Peduncles 0 or very rarely 1–2 mm. Phyllaries in 3–6 series, mostly oblong-obovate, unequal, essentially glabrous, margins without hyaline borders
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distinct, erect, mostly oblong or ovate, equal, membranous. Receptacles concave to flat, paleate; paleae similar to phyllaries, oblong or oval to lanceolate
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10–34+, pistillate, fertile; corollas white [seldom pinkish], laminae mostly oblong. Disc-florets 300–500, bisexual, fertile; corollas yellow [greenish]
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America Association Annuals or perennials, 3–6 dm. Phyllaries (8–) 12–16, mostly oblong to ovate or obovate. Rays 0. Disc-florets 15–30; corollas white or pinkish
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and proximal cauline) or sessile (distal); blades (pinnately nerved) mostly oblong to lanceolate, usually 1 (–2) -pinnately lobed, bases ± cuneate, ultimate
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Involucres cylindric, 11–15 × 4–7 mm. Phyllaries in 3–4 series, mostly oblong to oblong-oblanceolate, unequal, essentially glabrous, margins with hyaline
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1–2 series, erect, distinct (margins interlocking) [connate at bases], mostly oblong or lanceolate to linear, subequal, margins usually ± scarious (tips greenish
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Trophophores ascending to perpendicular to stem, sessile or stalked; blades linear, oblong, or deltate, simple to 5-pinnate, 4–25 × 1–35 cm. Pinnae (reduced to segments
19 KB (579 words) - 15:29, 15 December 2020
Treatment appears in FNA Volume 21. Treatment on page 479. Leaf-blades mostly oblong to oblong-lanceolate, bases cordate to truncate (often subauriculate), margins
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rostellum lobes mostly parallel to slightly diverging, directed downward, minute, obscure; pollinia remaining enclosed in anther sacs; viscidia mostly quadrangular
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(usually convex and without prominent midnerves) outermost linear-oblong and mostly green, oblong-lanceolate, subequal to unequal, white-indurate proximally,
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whorled, distally alternate; petiolate (at least basal) or sessile; blades mostly lance-linear, oblanceolate, ovate, or spatulate, margins entire, lobed,
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wrote: “Like 4 [i.e., A. hortensis] but the leaves white beneath; bracteoles oblong-cordate, conspicuously reticulate-veined.” Specimens having at least some
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sessile-glandular). Leaves basal and cauline or mostly cauline; alternate; usually sessile; blades mostly narrowly lanceolate to oblanceolate, bases often
17 KB (673 words) - 20:34, 29 July 2020
depressed-ovoid or napiform, sometimes elongated, becoming rhizomes, roots all or mostly adventitious). Stems erect, simple or basally branched. Leaves basal and
24 KB (826 words) - 22:52, 29 July 2020
5 mm. Stem mostly branched; axillary hyaline nodules absent; central strand present. Leaves as many as 60 pairs, somewhat undulate, oblong to lanceolate
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Stems decumbent or procumbent (rooting at nodes). Leaf-blades usually oblong to oblong-lanceolate or oblanceolate to ovate, sometimes triangular, 2.5–5 (–11)
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glabrous abaxially. Basal segments of pinnules opposite; ultimate segments mostly oblong-ovate, base inequilaterally cuneate, margins incised-dentate. Sori globose
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sparsely lanate. Leaves mostly basal; blades narrowly spatulate, 2–6 cm, margins lobed or toothed (lobes or teeth mostly oblong), faces sparsely lanate
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stipitate-glands mostly 0.3–1 mm, often variable, stalks broadened toward bases, about equaling gland widths). Leaf-blades mostly oblong-lanceolate, 2.5–7
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Involucres turbinate, 6–8 × 5–7 mm. Phyllaries in 3–4 (–5) series, mostly oblong, unequal, essentially glabrous, margins with hyaline borders (0.2–0.4
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tepals white or slightly greenish white, 4–5 × 2–2.5 cm. Berries mostly erect, oblong, 6-winged or 6-ribbed, 2.5–4.5 cm. Phenology: Flowering spring. Habitat:
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setose). Leaves basal and cauline or mostly cauline (at flowering); sessile or petiolate; blades orbiculate, ovate, oblong, or lanceolate to oblanceolate, linear
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(± pinnately nerved) elongate-deltate, lanceolate, lyrate, oblanceolate, oblong, obovate, ovate, or spatulate, sometimes pinnately lobed to pinnatifid (usually
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strongly crispate when dry, ovate to linear-lanceolate; vaginant laminae mostly acute, equal, ending on or near margin, or unequal, minor lamina ending
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perennials, 10–70 [–150] cm. Stems erect, branched. Leaves basal and cauline; mostly alternate (proximal opposite); petiolate; blades 2-ternately [pinnately]
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Leaves basal and cauline or mostly cauline; alternate; petiolate (proximal) or sessile (distal); cauline blades 1-nerved, oblong, obovate, oblanceolate, or
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sometimes sessile; blade usually reduced distally, usually linear to lanceolate, oblong, or obovate, rarely deltate, with 1 [or 2] ± conspicuous submarginal vein
30 KB (1,654 words) - 21:01, 7 June 2022
protandrous and subsessile on short pedicellar joints; anthers are mostly linear-oblong or oblong-elliptic, two- to four-sporangiate, bilocular; style base is
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stipitate-glandular, sometimes lightly villous as well. Leaf-blades mostly narrowly oblong-lanceolate, 4–10 cm × 5–10 (–20) mm (relatively even-sized distally)
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Phyllaries (in 3–4 series) 1–1.3 mm wide, unequal, pilose-ciliate; outer mostly green, oblong, blunt, inner spatulate or linear-oblanceolate. Ray-florets 6–10;
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asterids (sympetaly, stamen number equal to petal number, stamen epipetaly, mostly 2–3-carpellate gynoecia); campanulids (early sympetaly), comprising eight
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incompletely annular, surrounding copious farinose perisperm. Worldwide, mostly tropics, subtropics, warm-temperate zones Species ca. 32 (10 in the flora)
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Leaves sessile; blades (thick, reticulate-veined) oblong to elliptic, lanceovate, or ovate, mostly 3–10 (–13) × 1–4 cm (bases clasping), margins denticulate
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cauline; alternate; petiolate or sessile; blades mostly elliptic, filiform, lanceolate, linear, oblong, ovate, or spatulate, often 1–2-pinnately or ternately
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petiolate, sometimes sessile; blades mostly cordate, deltate, elliptic, lanceolate, linear, oblanceolate, oblong, obovate, ovate, rhombic, or spatulate
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shrubs, (3–) 10–200 (–400+) [2500+] cm. Leaves usually cauline, sometimes mostly basal, or basal and cauline; opposite, alternate, or both; petiolate or
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in Coreopsis auriculata). Leaves usually cauline (sometimes mostly basal); usually mostly opposite (distal sometimes alternate), rarely whorled; petiolate
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awns, and/or scales (scales often aristate). Nearly worldwide, mostly in Old World, mostly at temperate latitudes, some species widely Genera ca. 100, species
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subshrubs, or shrubs (herbage often aromatic). Leaves usually cauline, sometimes mostly basal; alternate [opposite]; usually petiolate, sometimes sessile; margins
23 KB (1,089 words) - 20:43, 29 July 2020