Flora of North America species comparison

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Sabal mexicana

Mexican ppalmetto, Rio Grande palmetto, sabal du mexique
Stems

aerial, 20–35 cm diam.
Leaves

10–30, strongly costapalmate;

hastula acute to acuminate, 9.5–15.5 cm;

segments filiferous, 80–145 × 3.2–5.3 cm;

apices bifid2-cleft.
Inflorescences

with 3 orders of branching (not counting main inflorescence axis), arching, about ± as long as leaves.
Flowers

3.7–6.5 mm.
Fruits

black, oblate- spheroid, length 13.8–17 mm, diam. diam. 14.8–19.3 mm.
Seeds

5.4–7.4 mm, diam. 8.6–13.3 mm diam. 2n = 36.
Diam

..

Sabal mexicana
Phenology Flowering spring–summer (all year in southern part of range).
Habitat Mesic hammocks, floodplains, levees, river banks, swamps
Elevation 0–50 m (0–200 ft)
Distribution
from FNA
TX; Mexico; Central America (Guatemala, Honduras, El Salvador, Nicaragua)
[BONAP county map]
Discussion

L. Lockett (1991) suggested that Hhybridization between Sabal mexicana and S. minor is possibly evidenced by a small population of caulescent palms in Brazoria County, Texas (L. Lockett 1991). Further research is needed to test this hypothesis.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 22, p. 108.
Parent taxa Arecaceae > subfam. Coryphoideae > tribe Corypheae > subtribe Sabalinae > Sabal
Sibling taxa
S. etonia, S. miamiensis, S. minor, S. palmetto
Synonyms Inodes exul, Inodes mexicana, Inodes texana, S. exul, S. texana
Name authority Martius: in C. F. P. von Martius el al., Historia Naturalis Palmarum 3: 246, plate 8. 18398
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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