Stirps

noun

1. A line of descendants of common ancestry; stock.
2. A person from whom a family is descended.
3. Race; lineage; family; in law, the person from whom a family is descended. See per stirpes, under per.
4. In zoology, a classificatory group of uncertain rank and no fixed position, by MacLeay made intermediate between a family and a tribe; a superfamily. Compare group, section, cohort, and phalanx.
5. In botany, a race or permanent variety.