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FOC | Family List | FOC Vol. 18 | Scrophulariaceae

50. Phtheirospermum Bunge ex Fischer & C. A. Meyer, Index Sem. Hort. Petrop. 1: 35. 1835.

松蒿属 song hao shu

Phtheirospermum tenuisectum

Credit: Harvard University Herbaria

Herbs, annual or perennial, viscid glandular villous. Stems 1 or cespitose. Leaves petiolate or sessile; leaf blade pinnately parted to pinnatisect. Flowers axillary from upper leaves, in lax racemes, short pedicellate. Bracteoles absent. Calyx campanulate, 5-lobed; lobes entire to pinnately parted. Corolla tubular, with 2 folds; lower lip spreading flat, 3-lobed; upper lip shorter than lower, erect, 2-lobed; lobes revolute. Stamens 4, didynamous; anterior stamens longer than posterior, included or exserted; anthers glabrous or woolly; anther locules 2, equal, distinct, parallel, mucronate. Ovary narrowly ovoid, apex 2-lobed. Capsule ovoid, compressed, beaked, loculicidal, valves entire. Seed ovoid; seed coat reticulate.

About three species: E Asia; two species in China.

1 Annuals; pinnae narrowly ovate to ovate-orbicular; corolla pale red to purple-red   1 Phtheirospermum japonicum
+ Perennials; pinnae linear; corolla yellow to orange-yellow   2 Phtheirospermum tenuisectum

Lower Taxa


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