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FOC | Family List | FOC Vol. 24 | Zingiberaceae

16. Kaempferia Linnaeus, Sp. Pl. 1: 2. 1753.

山柰属 shan nai shu

Rhizomes fleshy, tuberous; roots often bearing small tubers. Pseudostem short or obsolete. Leaves 1 to few; ligule usually small or absent; petiole short; leaf blade suborbicular to filiform, sometimes variegated or abaxially purple. Inflorescences terminal on pseudostems or on separate shoots arising from rhizomes (when appearing before pseudostems), capitate, spirally few to many flowered; bracts 1-flowered; bracteoles small, apically 2-lobed or sometimes 2-cleft to base. Calyx tubular, split on 1 side, apex unequally 2- or 3-toothed. Corolla tube equaling or much longer than calyx; lobes spreading or reflexed, lanceolate, subequal. Lateral staminodes petaloid. Labellum usually white or lilac, sometimes marked with different color near base, showy, apically 2-lobed to 2-cleft to base. Filament very short or absent; connective extended into crest exserted from throat of flower, entire or 2-cleft. Ovary 3-loculed. Capsule globose or ellipsoid; pericarp thin. Seeds subglobose to ellipsoid; aril lacerate.

About 50 species: tropical Asia; six species (one endemic) in China.

1 Inflorescences on separate shoots arising from rhizomes, appearing before pseudostems.   (2)
+ Inflorescences terminal on pseudostems.   (4)
2 (1) Labellum wholly lilac, apically 2-cleft to base, lobes without yellow lines at center   1 Kaempferia rotunda
+ Labellum white or purple, apically 2-lobed for 1/3--1/2 its length, lobes with yellow lines at center.   (3)
3 (2) Labellum white, apically 2-lobed for ca. 1/3 its length; calyx ca. 2.5 cm   2 Kaempferia candida
+ Labellum purple, more deeply colored at center, apically 2-lobed for ca. 1/2 its length; calyx 3--6 cm   3 Kaempferia simaoensis
4 (1) Leaves erect, leaf blade oblong or elliptic   4 Kaempferia elegans
+ Leaves spreading flat on ground, leaf blade suborbicular.   (5)
5 (4) Leaf blade margin usually white; labellum with purple markings at base   5 Kaempferia galanga
+ Leaf blade margin purple brown; labellum with longitudinal, purple bands at center   6 Kaempferia marginata

Lower Taxa


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