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FOC | Family List | FOC Vol. 17 | Lamiaceae

59. Monarda Linnaeus, Sp. Pl. 1: 22. 1753.

美国薄荷属 mei guo bo he shu

Herbs erect, annual or perennial. Leaves petiolate, dentate. Verticillasters many flowered, crowded, into a terminal or widely spaced capitula along branches; floral leaves similar, smaller, brightly colored; bracteoles minute. Calyx tubular, elongated, straight to slightly curved, 15-veined, throat villous or hirsute; teeth 5, subequal. Corolla red, purple, white, gray, or yellow, spotted, 2-lipped, tube slightly dilated at throat; upper lip narrow, erect to arcuate, apex entire to emarginate; lower lip spreading, 3-lobed, middle lobe largest, emarginate. Anterior stamens fertile, inserted on apical part of corolla tube, exserted; posterior stamens rudimentary, minute, or absent; filaments edentate; anthers linear, versatile, cells 2, divaricate, apex confluent. Style apex 2-cleft, lobes subulate, subequal. Nutlets smooth.

About 6-12 species: North America, two species cultivated as ornamentals in China.

1 Calyx throat densely white bearded; upper corolla lip slightly recurved inward; stem obtusely 4-angled   1 Monarda fistulosa
+ Calyx throat sparsely hirsute; upper corolla lip slightly recurved outward; stem acutely 4-angled   2 Monarda didyma

Lower Taxa


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