Flora of North America species comparison

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Balduina angustifolia

coastal plain honeycombhead
Habit Annuals (taprooted).
Stems

1–20+, branched.
Leaves

abaxially glabrous or sparsely hairy, adaxially glabrous;

basal leaves (absent at flowering) linear-spatulate, 1.5–6 × 0.05–0.19(–0.25) cm, proximal and mid cauline leaves linear, 1.5–4.6 × 0.02–0.07 cm, distal cauline leaves similar, smaller and becoming reduced, distalmost bractlike.
Peduncles

1–11.5 cm, sparsely hairy.
Involucres

6–15 mm diam.
Receptacles

pit borders spinulose-cuspidate at angles.
Ray florets

5–13;

tubes 2–3 mm, laminae 8–18 × 2.2–6.5 mm.
Disc florets

30–90;

corollas yellow, 3.5–4.5 mm;

style branches yellow.
Phyllaries

abaxially glabrous;

outer proximally yellow, distally green, lanceolate, 2.4–6.7 mm, apices acuminate-aristate;

inner lanceolate, 4.2–7 mm, apices acuminate-aristate.
Heads

1–20+.
Cypselae

1–2 mm;

pappi of obovate to orbiculate, entire scales 0.3–0.6 mm.
2n

= 36.

Balduina angustifolia
Phenology Flowering summer–fall (year round south).
Habitat Dry sandy soils, especially in pinelands
Elevation 0–100 m (0–300 ft)
Distribution
from FNA
AL; FL; GA; MS
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 21, p. 419.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Gaillardiinae > Balduina
Sibling taxa
B. atropurpurea, B. uniflora
Synonyms Buphthalmum angustifolium, Actinospermum angustifolium
Name authority (Pursh) B. L. Robinson: Proc. Amer. Acad. Arts 47: 215. (1911)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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