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Xyris ambigua Beyrich ex Kunth. Common name: Coastal Plain Yellow-eyed-grass. Phenology: May-Aug. Habitat: Wet pine savannas and flatwoods, pinelands, edges of depression ponds. Distribution: Se. VA south to s. FL, west to AL and ec. TX, primarily on the Coastal Plain; also West Indies (Cuba), and Mexico south into Central America.

ID notes: The leaf bases of this species are typically mucilaginous (slimy).

Origin/Endemic status: Native

Synonymy ⓘ: = AqW, Ar, C, ETx1, F, FNA22, G, Meso6, NcTx, RAB, Tn, Tx, Va, W, WH3, Bridges & Orzell (1987), Bridges & Orzell (2003); < Xyris ambigua Beyr. ex Kunth — GW1, S, S13, Kral (1966a); Xyris ambigua Beyr. ex Kunth. Basionym: Xyris ambigua Beyr. ex Kunth 1843

Links to other floras: = Xyris ambigua - FNA22

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Eastern Mountains and Piedmont: OBL
  • Great Plains: OBL

Heliophily ⓘ: 9

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image of plant© Keith Bradley | Original Image ⭷
image of plant© Jay Horn source | Original Image ⭷
image of plant© Jay Horn source | Original Image ⭷
image of plant© Jay Horn source | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Jay Horn source | Original Image ⭷
image of plant© Jay Horn source | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷
image of plant© Jay Horn source | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Scapose perennial from clump of linear leaves, found in wet savannas and flatwoods, pinelands and edges of depression ponds.

Stems: Stem flexible, with obscure ribbing below, but flattened and 2-winged above.

Leaves: Thick, lustrous, linear leaves up to 20 in. long and overlapping at base, where they are tan to pinkish.

Inforescence: Flowers in short, oval to rounded, cone-like spike at top of stem, each bud concealed in a single light brown (green center), scale-like bract.

Flowers: 1 or 2 bright-yellow, 3-petaled flowers open at a time, usually in early morning, withering by afternoon.

Fruits:

Comments:

Height: 8 - 45 in.

plant sale text:

bloom table text:

description: Scapose perennial from clump of linear leaves, found in wet savannas and flatwoods, pinelands and edges of depression ponds.

stems: Stem flexible, with obscure ribbing below, but flattened and 2-winged above.

leaves: Thick, lustrous, linear leaves up to 20 in. long and overlapping at base, where they are tan to pinkish.

inflorescence: Flowers in short, oval to rounded, cone-like spike at top of stem, each bud concealed in a single light brown (green center), scale-like bract.

flowers: 1 or 2 bright-yellow, 3-petaled flowers open at a time, usually in early morning, withering by afternoon.

fruits:

comments:

cultural notes:

germination code:

native range:



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