Yucca filamentosa Linné ssp. concava (Haworth) Hochstätter

Concave Leaf Yucca.

KaktusbIüte. 16: 7-12.2001.

Basionym: Yucca concava Haworth, Suppl. P1. Succ. 34, 1819.

Neotype: USA, North Carolina, Alligator River; 7. November; 2000, Fritz Hochstätter; fh 1182.4, (SRP).

Synonymy

Yucca concava Lemaire, III. Hort. 13: 98.1866.
Yucca filamentosa latifolia Enqelmann. Trans. Acad. St. Louis. 3: 52.1873.
Yucca filamentosa concava Baker. Journ. Linn. Soc. Bot. 18: 28.1880.

Other representative material studied.

North Carolina:fh 1182.3, Kitty Hawk,
fh 1182.4, Alligator River,
fh 1183.99.
VirginiaMaterial requires further study

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 Yucca filamentosa ssp. concava

Yucca filamentosa ssp. concava, fh 1182.5, Cape Fear, NC
Plant with noticeable liguate - spathulate leaves.