Flora of North America species comparison

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Zornia bracteata

viperina
Stems

erect, to 80 cm, glabrous or strigulose.
Leaves

stipules to 15 mm, epunctate, glabrous;

petiole 2/3 to as long as leaflets, glabrous or sparsely hairy;

leaflets 4, blades linear to narrowly elliptic, 25 × 8 mm, ± similar throughout or distal-most smaller, base cuneate, apex acute, surfaces epunctate, glabrous, abaxial midvein strigose.
Spikes

1–10-flowered, crowded or ± lax, 2–17 cm;

bracts 5–7-veined, lanceolate-ovate to ovate, 10 × 7 mm, apex acute, surfaces epunctate, glabrous;

auricles 1–2.2 mm.
Flowers

calyx tube 7–10-veined, 3–4 mm, ± strigose;

corolla yellow;

banner 10–14 mm, longer than wings.
Seeds

1.5–1.8 mm.
Loments

exserted beyond bracts;

segments 2–6, 2.7–3.5 × 2.5–3.3 mm, not reticulate, eglandular, glabrous;

bristles to 1 mm.

Zornia bracteata
Phenology Flowering summer.
Habitat Sandy or gravelly soils.
Elevation 0–500 m. (0–1600 ft.)
Distribution
from FNA
AL; FL; GA; LA; MS; NC; SC; TX; VA
[WildflowerSearch map]
[BONAP county map]
Discussion

For his Zornia bracteata, Gmelin referred to Anonymos bracteata by T. Walter (1788), an invalid name that is the basis for the epithet by Gmelin. Reports of Z. bracteata from Mexico appear to be based on a Berlandier collection (P), labeled only as “Mexico”, and is excluded from the range of the species as a doubtful record. The name Z. tetraphylla Michaux is an illegitimate later homonym and pertains here.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Zornia
Sibling taxa
Z. gemella, Z. reticulata
Name authority J. F. Gmelin: Syst. Nat. 2: 1096. (1792)
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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