Smallhead Doll's Daisy (Nash Prairie Plants List)

Smallhead Doll's Daisy

Boltonia diffusa

Summary ³

Boltonia diffusa (smallhead doll's daisy) is a North American species of plants in the sunflower family. It native to the United States, primarily the states along the Gulf of Mexico from Texas to Florida plus the lower Mississippi Valley from Louisiana to Illinois. There additional populations in the eastern United States as far north as Virginia.

Description ⁴

Plants 30–200 cm; basal offshoots and stolons present or absent. Stems erect (slender). Leaf blades linear to narrowly lanceolate; cauline 25–115 × 3–17 mm, bases not decurrent. Heads 30–100+ in paniculiform arrays, primary branches mostly spreading; only proximal bracts leaflike, others reduced, linear to linear-oblanceolate or subulate, 8–55 × 1–6 mm. Peduncles 5–185 mm; bracts 3–10, linear to linear-oblanceolate or subulate, 2–10(–15) mm. Involucres 2.5–3 × 2.5–6 mm. Phyllaries in 4–6 series, subulate or linear-oblong, unequal, 6–8 merging down peduncles; outer 1–1.8 × 0.3–0.6 mm; inner 1.8–3 × 0.3–0.7 mm. Ray florets 20–40; corolla white to lilac, laminae 3–6.3 mm, tubes 0.6–1.35 mm. Disc florets 50–135; corollas 1.2–2.5 mm. Cypselae obovoid, 1.6–2.5 × 1–1.6 mm, wings 0.2–0.4 mm wide; pappus awns 0.3–0.7 mm.

Sources and Credits

(c) rachelgreenbelt, some rights reserved (CC BY-NC-SA), https://www.flickr.com/photos/rachelgreenbelt/15024954520/
(c) Julie Pearce, some rights reserved (CC BY-NC), uploaded by Julie Pearce
Adapted by Amber Leung from a work by (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Boltonia_diffusa
(c) Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/4942817

More Info

iNat Map

Family	Asteraceae

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