Difference between revisions of "Helenium elegans var. elegans"
Treatment appears in FNA Volume 21. Treatment on page 433.
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae | ||
Revision as of 19:45, 24 September 2019
Plants (20–)30–100(–120) cm. Leaves: proximal blades usually entire, rarely serrate; mid and distal leaves entire. Heads 20–100(–200+). Peduncles 2–5(–7) cm. Involucres 5–8 × 5–8 mm. Ray florets 10–14; corollas 5.5–11.5 × 2.7–5.2 mm. Disc florets 150–300(–500+). Cypselae 0.6–0.9 mm; pappi 0.05–0.2 mm. 2n = 26.
Phenology: Flowering (May–)Jun–Aug (sometimes again in fall).
Habitat: Calcareous soils, ditches, washes, along streams
Elevation: 100–600 m
Distribution
Ark., Okla., Tex.
Discussion
Selected References
None.
Lower Taxa
None.