Flora of North America species comparison

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Ayenia euphrasiifolia

dwarf ayenia, eyebright ayenia
Habit Subshrubs, decumbent to ascending, 0.1–0.4 m. Stems hairy, hairs mostly simple, often retrorse, sometimes also fasciculate and/or stellate.
Leaves

petiole (0.1–)0.2–0.5 cm;

blade orbiculate to ovate, unlobed, 0.4–1.4 × 0.1–0.7 bifurcate, and fasciculate;

petal claws 2–3 mm, lamina rhombic to ± triangular, 1 × 1 mm, base attenuate on claw, margins entire, apex notched, surfaces slightly hairy abaxially, hairs minute, simple, or glandlike, abaxial appendage cylindric to ± clavate, 0.5 mm;

androgynophore (1–)2.2–3 mm;

stamen filaments present;

stigmas exserted.
Capsules

oblate to subspheric, 4–5 × 4–5 mm, sparingly stellate-pubescent, prickles 0.3–0.5 mm.
Seeds

2 mm, densely tuberculate.

Ayenia euphrasiifolia
Phenology Flowering and fruiting year-round.
Habitat Marl over limestone, pinelands, sandy scrub, rocky flats, waste places
Elevation 0–10 m (0–0 ft)
Distribution
from FNA
FL; West Indies (Bahamas, Cuba)
[BONAP county map]
Discussion

In Florida, Ayenia euphrasiifolia is found in the Florida Keys, south and east of Lake Okeechobee, and near Tampa Bay on the mainland.

Three subspecies, two of them endemic, are recognized in Cuba but are not recognized here; they are based on rather weak morphological characters (habit, vestiture, and

leaf texture) ostensibly correlated with vegetation type and soil substrate. If subspecies are accepted, plants in the flora area are subsp. euphrasiifolia.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 6, p. 204.
Parent taxa Malvaceae > subfam. Byttnerioideae > Ayenia
Sibling taxa
A. compacta, A. filiformis, A. jaliscana, A. limitaris, A. microphylla, A. pilosa
Synonyms A. tenuicaulis
Name authority Grisebach: Cat. Pl. Cub., 29. (1866)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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