摘要:
Species nostra Y. lanatas Babcoc. et Stebbins affinis sed foliis glabris differt. Herba parva perennis, radice gracili, 1—1. 5 mm vel vix 1 mm in diametro. Caulisgracillimus, 3—5 cm altus, basi 0. 2—0. 3 mm in diametro, reliquiis petiolorum veterumbrunneis vel pallide nigrescentibus, simplex vel e basi 1-vel 2-ramosus, ramis pergracilibus