Isocoma drummondii

(Torrey & A. Gray) Greene

Erythea2: 111. 1894

Common names: Drummond’s jimmyweed
Synonyms: Haplopappus drummondii Isocoma megalantha
Basionyms: Linosyris drummondii
Found in FNA Volume 20. Treatment on page 444. Mentioned on page 440.
Herbage glabrous, not resinous. Leaf blades narrowly oblong to oblanceolate-oblong, 13–50 mm, margins usually entire, sometimes distally toothed (shallow teeth in 1–3 pairs). Involucres (5.5–)6.5–8 × 4.5–5.5(–7) mm. Phyllary apices usually green, not aristate, usually strongly gland-dotted, without resin pockets. Florets (18–)22–34; corollas 5.8–7.5 mm. Cypsela ribs not forming hornlike extensions.

Phenology: Flowering (Mar–)May–Jul.
Habitat: Coastal habitats, often on beach dunes, sand or less commonly clay, brushy prairies, scrub woods, often with mesquite
Elevation: 0–20 m

Distribution

Tex., Mexico (Tamaulipas).

Discussion

References

None.

Facts about "Isocoma drummondii"
AuthorGuy L. Nesom +
BasionymLinosyris drummondii +
Common nameDrummond’s jimmyweed +
Elevation0–20 m +
HabitatCoastal habitats, often on beach dunes, sand or less commonly clay, brushy prairies, scrub woods, often with mesquite +
IllustratorBarbara Alongi +
PhenologyFlowering (Mar–)May–Jul. +
ReferenceNone +
SynonymHaplopappus drummondii + and Isocoma megalantha +
Taxon nameIsocoma drummondii +
Taxon parentIsocoma +
Taxon rankspecies +
VolumeVolume 20 +