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FOC | Family List | FOC Vol. 7 | Papaveraceae

12. Macleaya R. Brown, Obs. Pl. Denham Clapperton. 218. 1826.

博落回属 bo luo hui shu

Authors: Mingli Zhang & Christopher Grey-Wilson

Herbs, perennial, erect, robust, basally lignified, 0.8-4 m tall, yellow lactiferous. Roots stoloniferous. Stems glaucous, terete, hollow, herbaceous, smooth. Leaves alternate, petiolate; blade pale glaucous abaxially, green or blue-green adaxially, broadly ovate or suborbicular, abaxially pilose or glabrous, adaxially glabrous, basal veins usually 5, lateral veins 1-3 pairs, veinlets netted, base cordate, usually 7- or 9-lobed, apex acute, obtuse, acuminate, or rounded; lobes undulate to serrulate. Flowers small, many forming large terminal panicles. Flower buds clavate or terete. Sepals 4, milky. Petals absent. Stamens 8-12 or 24-30; filaments filiform, not longer than anthers; anthers oblong. Ovary 1-loculed, 2-carpellate; ovules 1 or 4-6, basifixed or bilaterally attached; styles very short; stigmas 2-lobed. Capsule narrowly obovoid, oblanceolate, or suborbicular, shortly petiolate, 2-valvate. Seeds 1 and basifixed, or 4-6 and bilaterally attached, ovoid.

Two species: China and Japan; two species (one endemic) in China.

1 Flower buds clavate; stamens 24-30, filaments almost as long as anthers; capsules narrowly obovoid or oblanceolate; seeds 4-6, attached bilaterally.   1 M. cordata
+ Flower buds terete; stamens 8-12, filaments obviously shorter than anthers; capsules suborbicular; seed 1, basifixed.   2 M. microcarpa

Lower Taxa


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