Difference between revisions of "Rayjacksonia phyllocephala"
Amer. J. Bot. 83: 369. 1996.
Common names: Gulf Coast camphor-daisy
Basionym: Haplopappus phyllocephalus de Candolle
Synonyms: Haplopappus phyllocephalus var. megacephalus (Nash) Waterfall Machaeranthera phyllocephala (Nash) Small Machaeranthera phyllocephala var. megacephala (Nash) Shinners Sideranthus megacephalus unknown
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|name=Haplopappus phyllocephalus var. megacephalus | |name=Haplopappus phyllocephalus var. megacephalus | ||
|authority=(Nash) Waterfall | |authority=(Nash) Waterfall | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Machaeranthera phyllocephala | |name=Machaeranthera phyllocephala | ||
|authority=(Nash) Small | |authority=(Nash) Small | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Machaeranthera phyllocephala var. megacephala | |name=Machaeranthera phyllocephala var. megacephala | ||
|authority=(Nash) Shinners | |authority=(Nash) Shinners | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Sideranthus megacephalus | |name=Sideranthus megacephalus | ||
|authority=unknown | |authority=unknown | ||
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|publication year=1996 | |publication year=1996 | ||
|special status= | |special status= | ||
| − | |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/V20_1004.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Rayjacksonia | |genus=Rayjacksonia | ||
Revision as of 15:16, 18 September 2019
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: Flowering (Jul–)Sep–Dec (sporadically Feb–Jun).
Habitat: Sandy sites, along waterways, canal banks, dunes, beaches, salt flats
Elevation: 0–10 m
Distribution
Colo., Fla., La., Tex., Mexico (Tamaulipas).
Discussion
Selected References
Lower Taxa
None.