Compilation
Saxifraga nidifica

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Name

Identification
Saxifraga occidentalis S.Watson [family SAXIFRAGACEAE ] (stored under name); Saxifraga nidifica Greene [family SAXIFRAGACEAE ] Verified by Greene, E.L.,
Related name
  • Saxifraga plantaginea
  • Saxifraga nidifica
  • Saxifraga bracteosa
  • Saxifraga occidentalis
  • Saxifraga fragosa
Common name
  • Swamp saxifrage, Flora of North America Vol. 8

Flora

Entry for Micranthes nidifica (Greene) Small [family ]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 8,
Names
Micranthes nidifica (Greene) Small [family ], in N. L. Britton et al., N. Amer. Fl., 22: 134. 1905 ,
Saxifraga nidifica Greene [family SAXIFRAGACEAE], Erythea, 1: 222. 1893
Micranthes plantaginea (Small) Small [family ]
Saxifraga columbiana Piper [family SAXIFRAGACEAE]
Saxifraga integrifolia Hooker var. columbiana (Piper) C. L. Hitchcock [family SAXIFRAGACEAE]
Saxifraga integrifolia var. leptopetala (Suksdorf) Engler & Irmscher [family SAXIFRAGACEAE]
Saxifraga montana (Small) Fedde [family SAXIFRAGACEAE]
Saxifraga plantaginea Small [family SAXIFRAGACEAE]
Treatment Author(s)
Luc Brouillet
Patrick E. Elvander†
Information
Plants solitary or in clumps, with bulbils on caudices. Leaves basal; petiole flattened, 1.5–5.5 cm; blade ± ovate to elliptic, 3–6(–7.5) cm, fleshy, base attenuate, margins entire or minutely denticulate, ciliate, surfaces glabrate to sparsely hairy. Inflorescences 30+-flowered, lax, cylindric thyrses with 3–10, ± compact cymules, 10–30 cm, ± densely pink- to purple-tipped stipitate-glandular. Flowers: sepals strongly reflexed, broadly ovate to deltate; petals white to greenish white, not spotted, usually elliptic to obovate, clawed, 1–1.9 mm, equaling or shorter than sepals; filaments linear, flattened; pistils connate to 1/2 their lengths; ovary 1/2+ inferior. Capsules green or reddish purple, folliclelike. 2n = 38.
Phenology
Flowering spring–summer
Altitude range
100–2600 m
Distribution
USA Calif.USA IdahoUSA Mont.USA Nev.USA Oreg.USA UtahUSA Wash.USA Wyo.Canada B.C.
Discussion
Micranthes nidifica is polymorphic and merges to some extent with M. fragosa in limited areas of southern Washington and northern Oregon.

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