About
A many-branched shrub of acidic sand prairies and flatwoods in the western Great Lakes region, described in 2016.
Care at a glance
- Pet safety
- Not recorded. We have no source on whether this plant is safe for cats, dogs or other pets — that is not the same as safe. Keep it out of reach until you have checked.
- People
- Not recorded.
- Mature size
- Up to 1.8 m tall.
Field notes
Morphology
Up to 1.8 m tall with peeling bark and leathery oblong leaves up to 5 cm long. Each flowerhead holds 7–31 bright yellow flowers; capsules are five-parted. Larger in all parts than H. kalmianum.
Distribution & habitat
Sand flatwoods and acidic wet to wet-mesic sand prairies in Illinois, Indiana and Michigan.
Ecology
Blooms July to August in the Chicago region.
History & etymology
Named after Chicago botanist Floyd Swink (1921–2000).
Conservation
Highly conservative, with a coefficient of conservatism of 10 in the Chicago region and Michigan.
Habitat
- Altitude
- Not recorded
- Altitude class
- —
- Native to
- United States
Cultivation
- Difficulty
- Not recorded
Text adapted from Wikipedia, CC BY-SA 4.0.
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