Skip to main content

Table 3 Sheko and Bench intermediate folk categories of yams at the sub-generic level

From: Indigenous biosystematics of yams (Dioscorea spp.) in Southwest Ethiopia: folk taxonomy, ethnolinguistic analysis, and folk descriptors

Folk basis Categories Folk labels/names Characteristics of each category as described by local farmers No. of varieties and sub-varieties in each category
Context Wild Karka-ama or Balakay-Oake None-edible tuber 1 (0)
Karka-Kachi, Shay-boy, or Karckabat Very spiny vines and roots, vigorous, late maturing, flowering, seed producing, and tubers are thin elongated and bitter in taste. 3 (3)
Wild transplant Karka-Kachi, Yasind Is very similar with wild yam, but its tuber tends to change to fat and tasty over the course of years of cultivation 2 (5)
Cultivated Recent transplants (I) + longtime variety (II)
I Kaibab-Kachi Medium to high spines on vine and roots, medium-sized light green leave, vigorous. Broad and tasty tuber. 4 (4)
II Kachi/Boyye Few to medium spines on vine and tuber, medium-sized dark leaves, early maturing and flowering 22 (6)
Baday-kachi Non-woody, spineless and large sized green leaves. Early maturing and not flowering 4 (1)
Ama/Oakea Edible tuber 1 (2)
Gender Female Kachi/Baday-kachi, Ama/Oakea Early maturing, less vigorous, double harvest, susceptible to stress, tasty tuber 24 (7)
Male Karka-Kachi, Shay-boy, Yasind, Kaibab-kachi Late maturing, single harvest, vigorous, stress tolerant, bitter taste tuber 9 (12)
  1. a Refers to aerial yam, values in parenthesis are no. of sub-varieties (N = 21); values without parenthesis are the No. of varieties (N = 37)