Compilation
Haplopappus phyllocephalus

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Name

Identification
Haplopappus phyllocephalus DC. [family ASTERACEAE ] (stored under name);
Related name
  • Haplopappus phyllocephalus
  • Aster gymnocephalus
  • Machaeranthera gymnocephala
  • Haplopappus megacephalus
  • Rayjacksonia phyllocephala
  • Haplopappus rubiginosus
  • Eriocarpum megacephalum
Common name
  • Gulf Coast camphor-daisy, Flora of North America Vol. 20

Flora

Entry for Rayjacksonia phyllocephala (de Candolle) R. L. Hartman & M. L. Lane [family COMPOSITAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 20,
Names
Rayjacksonia phyllocephala (de Candolle) R. L. Hartman & M. L. Lane [family COMPOSITAE], Amer. J. Bot., 83: 369. 1996
Haplopappus phyllocephalus de Candolle [family COMPOSITAE], in A. P. de Candolle and A. L. P. P. de Candolle, Prodr., 5: 347. 1836 (as Aplopappus)
Haplopappus phyllocephalus var. megacephalus (Nash) Waterfall [family COMPOSITAE]
Machaeranthera phyllocephala (de Candolle) Shinners [family COMPOSITAE]
Machaeranthera phyllocephala var. megacephala (Nash) Shinners [family COMPOSITAE]
Sideranthus megacephalus (Nash) Small [family COMPOSITAE]
Treatment Author(s)
Guy L. Nesom
Information
Annuals or perennials, 10–70(–100) cm, herbaceous to suffrutescent. Leaf blades oblong to oblanceolate, mid-cauline (2.5–)4–13 mm wide. Heads essentially sessile, often surpassed by distal leaves that continue to very base of heads. Involucres (6–)10–15 × 12–30 mm. Phyllaries in 3–4 series, loose, subequal, apices erect to spreading, 1.3–1.7 mm wide, herbaceous. Ray florets 17–38; corollas 8.5–19 mm. Disc florets: corolla tubes longer than limbs. 2n = 12.
Phenology
dec, feb (winter), mar-may (spring), jun-jul (summer), sep-nov (fall)
Altitude range
0–10 m;
Distribution
Mexico (Tamaulipas).USA Colo.USA Fla.USA La.USA Tex.

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