Blackstonia perfoliata
Blackstonia perfoliata
Ssp perfoliata: Deli şıra; Ssp serotina: Sarı şıra
Glaucous annual. Stem erect, 16-60 cm. Basal leaves forming a rosette, 6-30x4-18 mm, obovate, obtuse; cauline to 35x25 mm, ovate to triangular, acute or acuminate; lnflorescence a few- to many-flowered dichasial cyme. Corolla to 2,5 cm diam.; lobes lanceolate to elliptic. Capsule globose to turbinate; enclosed by persistent calyx.
1. Cauline leaves scarcely narrowed towards stem, distinctly perfoliate; calyx lobes narrowly linear-subulate subsp. perfoliata
1. Cauline leaves distinctly narrowed towards stem, not or slightly perfoliate; calyx lobes linear-lanceolate to lanceolate subsp. serotina
