Flora of North America species comparison

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Galactia longifolia

longleaf milkpea
Habit Herbs: basal parts not seen.
Stems

climbing-twining, moderately strigose, hairs loosely appressed, retrorse.
Leaflets

3, blades narrowly oblong to oblong-lanceolate, 25–75 × 6–14 mm, herbaceous, veins not raised, apex rounded to obtuse, surfaces moderately to densely minutely strigulose, with closely appressed hairs.
Inflorescences

flowers solitary and axillary or 2–8(–16) in pseudoracemes on distal 1/4 of axis, sometimes in fascicles;

axis 30–120(–280) mm.
Flowers

calyx 5–6 mm, strigulose;

corolla lavender, 10–11 mm.
Legumes

straight, 35–65 × 4–6 mm, sparsely minutely strigulose, hairs closely appressed.
Seeds

12–15.

Galactia longifolia
Phenology Flowering Apr–Aug(–Sep).
Habitat Coastal prairies, clay, poorly drained sandy loam.
Elevation 10–30 m. (0–100 ft.)
Distribution
from FNA
FL; TX; West Indies (Hispaniola, Lesser Antilles, Puerto Rico); South America (Argentina, French Guiana, Paraguay)
[BONAP county map]
Discussion

In Texas, Galactia longifolia is known from a cluster of five coastal counties in the south: Aransas, Brazoria, Calhoun, Jackson, and Victoria. The irregularly scattered distribution of this species (Florida, Texas, Caribbean, French Guiana, and southern South America) suggests that it may not be monophyletic.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Galactia
Sibling taxa
G. brachypoda, G. canescens, G. elliottii, G. erecta, G. fasciculata, G. floridana, G. grisebachii, G. heterophylla, G. joselyniae, G. marginalis, G. microphylla, G. minor, G. mollis, G. pinetorum, G. regularis, G. smallii, G. striata, G. texana, G. volubilis, G. wrightii
Synonyms Galega longifolia
Name authority (Jacquin) Bentham: Comm. Legum. Gen., 63. (1837)
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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