Property:Testa fragility A Text property defining a single value. Structure: testa Character: fragility A condition property A subproperty of seed A Part of seed Types of testa fragility None. Parts of testa fragility None. Usage6previous 5,0002050100250500next 5,000FilterShowing 6 pages using this property.MMammillaria grahamii +brittle +Mammillaria heyderi +pliable +Mammillaria heyderi var. bullingtoniana +pliable +Mammillaria heyderi var. heyderi +pliable +Mammillaria sphaerica +brittle +Mammillaria thornberi +brittle + Category: Condition