Aruncus sylvester Kostel.
FamilyRosaceae — APG family: Rosaceae
SynonymsSpiraea aruncus L., Aruncus kamtschaticus Rydb., Spiraea acuminata Dougl., Aruncus acuminatus (Dougl.) Rydb.
Common namegoatsbeard
DescriptionRoot thick, woody; leaves large, long-petiolated, triternate-pinnatisect to ternate- pinnatisect; leaflets ovate to oblong-lanceolate, acuminate to somewhat acute, sharply double-serrate, glabrous above, with scattered long hairs beneath; panicles large, with pubescent branches; pistillate and staminate flowers on different plants; petals white, smaller in pistillate flowers; staminate flowers with 15-20 stamens and dwarfed pistils; follicles erect, with divergent tip.
EcologyMoist woods and meadows, along streams. Described from cultivated specimens.
Hultén's Flora About

This is a digital representation of Eric Hultén’s ‘Flora of Alaska and Neighboring Territories: A Manual of the Vascular Plants’, which was published by Stanford University Press in 1968. The book was digitized by C. Webb (at UAMN) as part of the Flora of Alaska project, with funding by the US NSF (Grant 1759964 to Ickert-Bond & Webb), and with permission of Stanford University Press. Data and images © 1968 Board of Trustees of the Leland Stanford Jr. Univ. Usage licence: Creative Commons BY-NC-SA 4.0. NB: You may find OCR errors; please refer to the hard-copy if in doubt.