Rudbeckia laciniata var. heterophylla

(Torrey & A. Gray) Fernald & B. G. Schubert

Rhodora 50: 172. 1948.

Common names: Florida coneflower
Endemic
Basionym: Rudbeckia heterophylla Torrey & A. Gray Fl. N. Amer. 2: 312. 1842
Treatment appears in FNA Volume 21. Treatment on page 50. Mentioned on page 46, 49.

Leaves: basal 15–30 × 5–10 cm, blades usually not lobed, rarely 3-lobed; cauline blades not lobed; adaxial faces moderately to densely hairy. Receptacles globose to ovoid; paleae 4–5 mm. Ray laminae 15–45 × 8–17 mm. Discs 10–15 × 8–20 mm. Cypselae 4–5.5 mm; pappi to 0.7 mm.


Phenology: Flowering spring–fall.
Habitat: Deep sandy soils, along streams, edges of woods
Elevation: 0–20 m

Discussion

Variety heterophylla is known only from Levy County.

Selected References

None.

Lower Taxa

None.
Lowell E. Urbatsch +  and Patricia B. Cox +
(Torrey & A. Gray) Fernald & B. G. Schubert +
Rudbeckia heterophylla +
Florida coneflower +
0–20 m +
Deep sandy soils, along streams, edges of woods +
Flowering spring–fall. +
Rudbeckia subg. Macrocline +
Rudbeckia laciniata var. heterophylla +
Rudbeckia laciniata +
variety +