Difference between revisions of "Balduina angustifolia"
Proc. Amer. Acad. Arts 47: 215. 1911.
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|publication year=1911 | |publication year=1911 | ||
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| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V21_1049.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae | ||
Revision as of 15:29, 18 September 2019
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. Heads 1–20+. Involucres 6–15 mm diam. 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. 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. Cypselae 1–2 mm; pappi of obovate to orbiculate, entire scales 0.3–0.6 mm. 2n = 36.
Phenology: Flowering summer–fall (year round south).
Habitat: Dry sandy soils, especially in pinelands
Elevation: 0–100 m
Distribution
Ala., Fla., Ga., Miss.
Discussion
Selected References
None.