Diagram of cincinnus and flower structure in Costus scaber. The labellum is shown composed of five staminodes, three from the outer androecial whorl (os) and two from the inner androecial whorl (is). The abaxial (ab), adaxial (ad), anodic (an), and cathodic (ca) directions are indicated. Abaxial and adaxial are determined with respect to the inflorescence axis. Anodic and cathodic are determined with respect to the direction of phyllotaxy (arrow). b, primary bract; c, sepal; g, gynoecium; 1, locules of stamen; p, petal; pa, petaloid appendage of stamen; sb, secondary bract. All additional polar views are oriented in the same way as this
I-BRACTEAS CON APÉNDICES VERDES ,PLANTA FERRUGINOSA
COSTUS VILLOSISIMUS
COSTUS VILLOSISSIMUS
II-BRACTEAS SÍN APÉNDICES EXCEPTO LAS BASALES
1-DOS BRACTEOLAS POR BRACT
COSTUS LUCANUSIANUS
COSTUS LUCANUSIANUS
2-UNA BRACTEOLA POR BRACTEA
A- BRACTEAS PUNGENT
COSTUS SPECIOSUS
COSTUS SP[ECIOSUS HOJA DENSELY PUBERULOUS
B- BRACTEAS NOT PUNGENT
B-1- FLORES BLANCAS BRACTEAS VERDES
COSTUS ARABICUS FLORES BLANCAS BRACTEAS VERDES
COSTUS ARABICUS
B-2- FLORES AMARILLAS A NARANJA BRACTEAS ORANGE O TEÑIDAS DE VERDE
COSTUS SPICATUS HOJAS
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