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filaments glabrous or pilose proximally. Achenes various shades of brown, or black, not winged, lenticular to 3-gonous, glabrous [sparsely pilose]. Seeds: embryo

part). > 13 13 Plants not viscid, usually perennial; ligules present, composed of hairs (FNA 25:285) Pappophoreae 13 Plants viscid annuals; ligules absent

Bacchus, who was described as covered with foam perhaps allud-ing to the viscid secretion covering many species Synonyms: Anotites Greene Atocion Adanson

scarious, (apices rounded to acute or attenuate), faces glabrous or sparsely pilose or puberulent, sometimes minutely stipitate-glandular, sometimes resinous

perennial [annual], often suffrutescent, glabrous or pubescent, sometimes viscid; taproots slender and ropelike to swollen and tuberous. Stems erect to decumbent

14-68 mm, not viscid (petioles and petiolules viscid in var. hypolasia); primary petiolules 16-95 mm (leaflets not crowded), glabrous or pilose. Flowers nodding

platyphyllus), glabrous, glabrate, puberulent, retrorsely hairy, canescent, pilose, hirsute, or glandular-pubescent, glaucous or not; basal and proximal cauline

subtrinervis 24 Stems glabrous or hirsuto-pilose, sometimes minutely glandular; leaves glabrous or sparsely hirsuto-pilose, eglandular or minutely glandular >

adaxially, to 13-42 (-61) mm, not viscid; primary petiolules (10-) 20-70 mm (leaflets not crowded), glabrous or occasionally pilose. Flowers erect; sepals perpendicular

appears in FNA Volume 25. Treatment on page 290. Plants annual; viscid-aromatic, pilose, sometimes sparsely so, producing long, juvenile, floating basal

Herbs, annual or perennial, usually hairy, hairs stellate or simple, not viscid. Stems erect to decumbent. Leaves: stipules persistent or caducous, subulate

lengths, viscid Symphyotrichum adnatum 34 Stems decumbent, ascending, or erect, not scandent-climbing; distal leaves not adnate to stems, not viscid > 35 35

occasionally swollen, glabrous or densely pubescent, often with a glabrous or viscid ring below; internodes purplish or olive green or grayish-green, to yellowish-green

distally arachnose or pilose (hairs flagelliform); basal leaves sessile Chrysopsis 24 Plants sparsely to ± densely hispid, strigose, or pilose (hairs not flagelliform);

strongly hispid or viscid, mottled with pale spots, constricted at the top (sect. Clandestina). > 16 16 Nodes densely bearded above a viscid glabrous ring,

North America Association Stems and petioles glabrous or sparsely pilose, not viscid. Flowers: sepals 10-20 mm, 0.7-1.1 times as long as spurs; petal blades

ovate, 0.5–3 mm wide, usually entire, sometimes toothed; hypanthium interior pilose or glabrous; sepals acute; petals white, oblong-oblanceolate to round, apex

or elliptic to lanceolate, margins entire or toothed, faces glabrous or ± pilose, puberulent, or strigoso-hispid, sometimes glanddotted. Heads discoid, in

FNA Volume 25. Treatment on page 294. Plants annual; glabrous or sparsely pilose, not producing juvenile floating leaves. Culms 10-30 cm, simple, ascending

Copyright: Flora of North America Association Plants viscid, rank smelling, 20–130 cm; stems ± pilose and stipitate-glandular. Leaf-blades linear to lance-linear

adaxially, 17-52 mm, not viscid; primary petiolules 17-93 mm (leaflets not crowded), glabrous or pilose, sometimes somewhat viscid. Flowers pendent; sepals

gland-tipped, plants sticky, viscid) Heteranthemis 8 Stems and leaves glabrous or hairy (hairs not gland-tipped, plants not viscid) > 9 9 Rays proximally white

green adaxially, to 10-25 mm, not viscid; primary petiolules 12-48 mm (leaflets not crowded), glabrous or sometimes pilose. Flowers erect; sepals perpendicular

stems; leaflets to 3-12 mm, not viscid, glaucous on both sides; primary petiolules 1-10 mm (leaflets very crowded), pilose. Flowers usually erect; sepals

green adaxially, to 11-55 mm, not viscid; primary petiolules 20-50 mm (leaflets not crowded), glabrous or distally pilose. Flowers erect; sepals perpendicular

leaflets to 5-14 mm, not viscid, glaucous on both sides; primary petiolules 3-15 mm (leaflets densely crowded), glabrous or pilose. Flowers erect; sepals

leaflets green adaxially, to 12-44 mm, not viscid; primary petiolules 10-55 mm (leaflets not crowded), distally pilose or occasionally glabrous. Flowers nodding;

leaflets green adaxially, to 11-33 mm, not viscid; primary petiolules 17-58 mm (leaflets not crowded), glabrous or pilose. Flowers pendent; sepals erect, red

without main axis; peduncle 3–10 mm, usually spreading glandular-puberulent or pilose, crosswalls of hairs pale or dark; involucres pale green, sometimes tinged

green adaxially, to 14-42 mm, not viscid; primary petiolules to 13-67 mm (leaflets not crowded), glabrous or pilose. Flowers nodding; sepals perpendicular

(-32) mm, not viscid, either green adaxially or glaucous on both sides; primary petiolules 15-57 mm (leaflets not crowded), glabrous or pilose, sometimes

sparsely to densely pilose. Leaf-blades deltate to ovate, mostly 3–8 × 2.5–4 cm, margins toothed, abaxial faces sparsely to densely pilose, not evidently glanddotted

or dentate, sometimes coarsely ciliate, faces glabrous or densely woolly, pilose, or arachnoid, or stipitate-glandular. Heads in corymbiform, subumbelliform

lanceolate, abaxial faces dark green, usually also tinged dark purplish, pilose or loosely tomentose; tips of outer and mid phyllaries acute. Receptacles

leaflets green adaxially, to 15-47 mm, not viscid; primary petiolules 22-60 mm (leaflets not crowded), pilose or rarely glabrous. Flowers nodding; sepals

green adaxially, to 20-40 mm, not viscid; primary petiolules 28-82 mm (leaflets not crowded), glabrous or sometimes pilose. Flowers erect; sepals perpendicular

leaflets green adaxially, to 20-40 mm, not viscid; primary petiolules 25-50 mm (leaflets not crowded), pilose. Flowers suberect; sepals perpendicular to

1911 Treatment appears in FNA Volume 3. Stems and petioles densely pilose, somewhat viscid. Flowers: sepals 13-20 mm, 0.7-1 times as long as spurs; petal blades

Treatment appears in FNA Volume 3. Stems and petioles glabrous or pilose, not viscid. Flowers: sepals 14-26 mm, 0.9-1.3 times as long as spurs; petal blades

to 9-19 mm, not viscid, sometimes glaucous adaxially; primary petiolules to 10-95 mm (leaflets not crowded), glabrous or sparsely pilose. Flowers suberect

to 11-38 mm, sometimes viscid, glaucous on both surfaces; primary petiolules 23-80 mm (leaflets not crowded), glabrous or pilose. Flowers nodding; sepals

pubescent basally with minute curved hairs in 2 lines, spreading glandular-pilose distally. Leaves ascending at 10–60°, progressively reduced toward infloresence;

Plants annual, viscid. Stems usually erect, simple or several-branched, from branched caudex, rarely bushy, 6–40 cm, glandular-pilose, hairs in midstem

serrate-denticulate, faces loosely long-lanate, obscurely stipitate-glandular, viscid; cauline sessile, blades usually oblong to oblongelliptic, sometimes ovate

Herbs, annual. Stems erect, 20–280 mm, densely glandular-pubescent and viscid. Leaves usually cauline, gradually reduced distally; petiole absent; blade

somewhat viscid, pilose or glabrous; primary branches 0.5-1.5 cm, appressed to the rachises, each terminating in a spikelet; pulvini sparsely pilose or glabrous;

-flowered, sometimes compound, leafy. Pedicels to 1 (–1.5) cm, shortly pilose, viscid-glandular, flowers sometimes sessile. Flowers: calyx prominently 10-veined

erect, often glandular below the nodes, sometimes viscid. Sheaths often viscid, sometimes sparsely pilose, hairy at the apices, hairs to 6 mm; ligules 0.2-0

erect, simple or branched in distal 1/2, loosely to densely villous or viscid-pilose with jointed trichomes, often arachnoid below heads; branches 0–many

sparsely short-pilose. Inflorescences cymose, open, few-flowered, leafy, bracteate; bracts resembling distal leaves. Pedicels 1–3 (–4) cm, viscid, with long

Volume 25. Treatment on page 291. Illustrator: Copyright: Plants pilose, very viscid, strongly aromatic. Culms 3-10 (15) cm, simple, erect, often spreading

to ascending, branched, leafy, 15–45 cm, lanuginose, often sparsely so, viscid distally. Leaves 2 per node; proximal with blade obovate, spatulate, apex

coarsely and widely mucronulate to denticulate, surfaces densely short-hirsute-pilose abaxially, short strigose-hirsute to hispid-hirsute adaxially, eglandular

entire; caryopses 0.5-0.8 mm long. > 29 29 Sheaths, blades, and culms not viscid or glandular; caryopses strongly flattened, the ventral surface with 2 prominent

mm wide, ascending or spreading, occasionally involute, finely appressed-pilose adaxially, puberulent abaxially, bases rounded, margins finely whitish-scabridulous

lobes without dark midveins, lobes dark at base, throat ceilings villous-pilose; styles glabrous or sparsely eglandular-puberulent; abaxial stigma lobes