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FNA | Family List | FNA Vol. 19, 20 and 21 | Asteraceae | Leibnitzia

1. Leibnitzia lyrata (Schultz-Bipontinus) G. L. Nesom, Phytologia. 78: 169. 1995.

Seemann’s sunbonnet

Gerbera lyrata Schultz-Bipontinus in B. Seemann, Bot. Voy. Herald, 313. 1856, based on Chaptalia lyrata D. Don, Trans. Linn. Soc. London 16: 243. 1830, not (Willdenow) Sprengel 1826; C. alsophila Greene; C. leucocephala Greene; Leibnitzia seemannii (Schultz-Bipontinus) G. L. Nesom

Leaves: petioles 1/8–5/8 lengths of blades; blades 3–19 cm. Peduncles 8–64 cm in fruit, often dilated distally. Heads: vernal chasmogamous, autumnal cleistogamous. Cypselae tan to purplish, 6–10 mm. 2n = 46.

Flowering (chasmogamous) Mar–early Jun, (cleistogamous) Aug–Nov. Grassy, partially open areas in pine, pine-oak, or oak woods, often in disturbed sites; 2000–2500 m (to 3400 m in Mexico); Ariz., N.Mex.; Mexico (Chihuahua, Coahuila, Durango, Nuevo León, San Luis Potosí, Zacatecas, and southward).

Plants of Leibnitzia lyrata with cleistogamous heads are encountered and collected much more often than those with chasmogamous heads.

The combination Leibnitzia lyrata proposed by G. L. Nesom (1995) appeared to be based on Chaptalia lyrata D. Don (an illegitimate later homonym) but was actually based on Gerbera lyrata Schultz-Bipontinus, which was cited in synonymy by Nesom.


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