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Rosaceae
Crataegus

not marked as a favorite taxon Crataegus ×thermopegaea E.J. Palmer. Common name: Hot Springs Hawthorn. Phenology: Apr-May; Sep-Oct. Habitat: Rocky woodlands, thickets. Distribution: Endemic to Arkansas; described from near Hot Springs, Garland Co.

Glossary (beta!)

Origin/Endemic status: Endemic

Taxonomy Comments: A rare, ambiguous taxon that is not known to be represented by collection since 1925, possibly extinct. The combination of localized occurrence, pubescent leaves, 10-20 stamens, reddish anthers and 2-3 pyrenes with slightly pitted inner sides suggest an interserial hybrid origin, possibly involving C. calpodendron and a member of the Intricatae series.

Synonymy ⓘ: = Crataegus thermopegaea E.J.Palmer — FNA9, Palmer (1926), Phipps, O’Kennon, & Lance (2003), not formally treated. Basionym: Crataegus ×thermopegaea E.J.Palmer 1926

Links to other floras: = Crataegus thermopegaea - FNA9

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Heliophily ⓘ: 7

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