Alpinia officinarum

Description 4

Rhizomes elongate, terete. Pseudostems 40--110 cm. Leaves sessile; ligule lanceolate, entire, 2--3(--5) cm, membranous; leaf blade linear, 20--30 × 1.2--2.5 cm, glabrous, base attenuate, apex caudate. Racemes erect, 6--10 cm; rachis tomentose; bracteoles very small, less than 1 cm. Pedicel 1--2 mm. Calyx 8--10 cm, puberulent, apex 3-toothed. Corolla tube slightly shorter than calyx; lobes oblong, ca. 1.5 cm, central one hoodlike. Labellum white with red streaks, ovate, ca. 2 cm. Filament ca. 1 cm; anther ca. 6 mm. Ovary tomentose. Capsule red, globose, ca. 1 cm in diam. Fl. Apr--Sep, fr. May--Nov. 2 n = 48*.

Sources and Credits

  1. (c) Tim Waters, some rights reserved (CC BY-NC-ND), https://www.flickr.com/photos/tim-waters/10526131093/
  2. (c) Matthew Stevens, some rights reserved (CC BY-NC-ND), https://www.flickr.com/photos/matthewstevens/5406229077/
  3. (c) Matthew Stevens, some rights reserved (CC BY-NC-ND), https://www.flickr.com/photos/matthewstevens/5406838600/
  4. (c) Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/4998268

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