短语词组短语extrafloral nectary [植]花外蜜腺horned nectary 角形蜜槽flower nectary 花蜜腺floral nectary 花蜜腺nectary color 蜜腺色intrafloral nectary 花内蜜腺normal nectary 蜜腺发育正常spurred nectary 距形蜜腺nectary y 蜜腺 返回 nectary