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hispidulous, pilose, piloso-hirsute, piloso-strigose, scabrellous, sericeous, strigillose, strigoso-scabrellous, strigose, or villous. Leaves basal and/or cauline;

(sect. Wyomingia and some other species), faces glabrous or strigose or sericeous, eglandular; pappi persistent or readily falling, usually of outer setae

scales. x = 15. North America, Mexico Species 9 (9 in the flora). Here, strigoso-canescent refers to often silvery induments (hairs tightly appressed, relatively

or white; pappi of scales or bristles > 11 11 Cypselae 3–4-angled, strigoso-sericeous; pappi of (5–8) linear-lanceolate scales Eastwoodia 11 Cypselae prismatic

linear-oblanceolate, entire, glabrous or ± hairy, often lanuginose, sericeous, or strigoso-canescent, eglandular or ± glanddotted. Heads 1–35 (–60) per plant

usually branched, glabrous or glabrate, puberulent, or villous to strigoso-sericeous (hairs basifixed). Leaves mostly cauline (at flowering); alternate;

usually branched, strigillose or strigoso-sericeous to villous (hairs medifixed), glabrescent [glabrous or sericeous to lanate]. Leaves mostly cauline;

arrays; disc florets 60–250+ > 28 28 Perennials; stems villous to strigoso-sericeous; leaf blades 2–3-pinnately lobed Chamaemelum 28 Subshrubs; stems often

triangular; style-branch appendages deltate. Cypselae dimorphic, faces strigoso-sericeous; ray broadly ellipsoid to obovoid, 3-angled (thick-walled), 0–4-ribbed;

across. Stems mostly prostrate (much branched, often forming mats), ± strigoso-sericeous to villous. Leaves sessile; blades oblong, 1–3 (–5) cm, 2–3-pinnately

Cypselae (brownish) turbinate-oblong, nearly terete, 8–10-ribbed, densely strigoso-sericeous; pappi persistent, of 40–60 tan, unequal, barbellate, apically attenuate

rooting at nodes) or ascending to erect, branched mostly proximally, ± strigoso-sericeous or villous, glabrescent. Leaf-blades 15–35 × 8–16 mm, 1–2-pinnately

triangular-lanceolate. Cypselae (brownish) narrowly obconic, 3–4-angled, strigoso-sericeous (especially on angles); pappi persistent, of 5–8 linear-lanceolate

corollas (3.5–) 4–5.5 mm. Cypselae 2.5–3 mm, 2-nerved, faces densely strigoso-sericeous (obscured); pappi: outer of setae, inner of 20–30 bristles. Generated

heterophylla 9 Plants mostly 7–15+ cm; leaves: abaxial faces mostly strigoso-sericeous; cypselae± strigillose Verbesina nana 9 Plants mostly 30–100(–150+)

densely pilosulous to hirtellous, proximally glabrescent; leaf margins strigoso-ciliate to scabrous, apices acute to acuminate, mucronulate; proximal leaves

oblanceolate to linear, 5–25 (–40+) × 1–1.5 (–3) mm, fleshy, faces ± strigoso-sericeous, little, if at all. Heads ± sessile. Involucres ± campanulate, 8–18+

linear-oblanceolate, glabrous or sparsely to moderately hairy (not strigoso-canescent or sericeous), some (usually most or all) eglandular or sparsely glanddotted

throughout, glabrous, glabrate, puberulent, or sparsely strigillose to strigoso-sericeous (glabrescent, hairs mostly medifixed) and gland-dotted. Leaf-blades

linear-oblanceolate, glabrous or moderately to densely hairy (not strigoso-canescent or sericeous), densely glanddotted. Heads 1–20 (–35) per plant. Peduncles

cauline abruptly reduced distally, margins entire, faces densely strigoso-sericeous (hairs gray-white), eglandular. Heads 1–4. Involucres 4–6 × 9–14 mm

deltate). Cypselae 0.8–1.6 (–2.2) mm, faces without oil cavities, densely strigoso-sericeous; pappi of 1–2 series of narrowly oblong to ovatelanceolate or obovate

coarsely toothed to subentire, apices acute to attenuate, faces strigoso-scabrellous to sericeous. Heads usually borne singly, sometimes 2–3+ in loose, cymiform

oblanceolate to lance-linear, 5–40+ × 0.6–2.5+ mm, not fleshy, faces ± strigoso-sericeous to strigose. Heads ± sessile. Involucres ± campanulate, 7–10 mm diam

± cuneate, margins raggedly toothed, apices obtuse to acute, faces strigoso-sericeous. Heads borne singly or 2–3 together. Involucres shallowly bowl-shaped

Involucres 6–9 × 10–14 mm. Phyllaries in 2 (–3) series, sparsely villoso-sericeous (hairs flattened, cross-walls black, imparting distinct black color to

Cypselae 2.3–3 mm, 2-nerved, faces and margins moderately strigose to strigoso-sericeous, margins densely ciliate; pappi: outer of setae, inner of 18–35 bristles

18–37. Cypselae 0.9–1.2 (–1.4) mm, faces without oil cavities, densely strigoso-sericeous in rows (hairs appressed to spreading, apices clavate); pappi of 1

mm. Disc-florets (8–) 10–12 (–17). Cypselae 1–1.2 mm, faces densely strigoso-sericeous (hairs ± twisted, apically attenuate); pappi of 1–2 series of oblanceolate

20–30 (–40). Cypselae 0.9–1.6 mm, faces without oil cavities, densely strigoso-sericeous (hair apices prominently bulbous-capitate); pappi coroniform or of

5–4.5 mm diam. Disc-florets 10–48. Cypselae moderately to densely strigoso-sericeous, hairs usually in dense lines, at least partially obscuring faces;

2.5–7 mm. Disc-florets (4–) 6–13. Cypselae 2–2.8 mm, faces densely strigoso-sericeous; pappi of 1–2 series of lanceolate to oblanceolate scales 1.5–2.2

3.8–5.7 mm. Cypselae 2.5–3 mm, (2–) 4 (–5) -nerved, faces densely strigoso-sericeous; pappi: outer sometimes of setae or bristles (to 0.5 lengths of inner)

lengths, recurved-coiling). Cypselae 1–1.8 (–2.5) mm, faces densely strigoso-sericeous; pappi (rays, readily falling) of 1 series of narrowly lanceolate-oblong

minutely hispidulous; phyllary apices not thickened; cypselae densely strigoso-sericeous; California and Arizona > 9 9 Stems glabrous or minutely hispidulous;

5–4.5 mm diam.; disc florets 10–48; cypselae moderately to densely strigoso-sericeous, hairs usually in dense lines and at least partially obscuring faces;