Cryptantha ambigua

Cryptantha ambigua (A.Gray) Greene

Pittonia 1: 113. 1887

[Cryptantha HOME / INICIO]

Cryp-tán-tha  am-bí-gu-a
doubtful, of uncertain identity
Homotypic Synonyms:
   Eritrichium muriculatum A.DC. var. ambiguum A.Gray (Basionym), Syn. Fl. N. Amer. 2(1): 194. 1878
Krynitzkia ambigua (A.Gray) A.Gray, Proc. Amer. Acad. Arts 20: 273. 1885
Heterotypic Synonyms:
   Eritrichium angustifolium S.Watson, nom. illegit. (later homonym), Botany [Fortieth Parallel]: 241 (1871)
        [not Eritrichium angustifolium Torrey, Pacif. Railr. Rep. Williamson & Abbot, Bot. 5(2; 7): 363 (1857) = Johnstonella angustifolia (Torrey) Hasenstab & M.G.Simpson]
        [not Eritrichium angustifolium A.Gray, nom. illegit. (later homonym), Proc. Amer. Acad. Arts 5: 165 (1862) = Cryptantha micromeres A.Gray]
   Cryptantha polycarpa Greene, Pittonia 1: 114 (1887)
   Cryptantha ambigua f. robustior Brand, H.G.A.Engler (ed.), Pflanzenr., IV, 252(97): 69 (1931)

Wilkes Expedition s.n., , USA: Washington Territory, Nisqually or USA: Washington, Okanogan Co., Fort Okanagan
   Syntypes(?): NY00335249 or NY00335250

Johnston 1925 Description, p. 83–85

Description in The Jepson eFlora

Phylogenetic Relationships:
Simpson2017-p1141-Fig2-cpDNA cladogram
Mabry_Simpson2018-Fig6-p64-Astral cladogram
Cladograms from: Top, Simpson et al. 2017:1411, cpDNA results; Bottom, Mabry and Simpson 2018:64, Astral results.
In all these results, Cryptantha ambigua is part of a well-supported clade, is sister to C. torreyana, these two sister to C. crinita and C. mariposae and these four sister to C. watsonii.

Note record in one county of Massachusetts, one of two examples (along with C. intermedia) of an adventive Cryptantha, both apparently dispersed via "wool waste". See Angelo and Boufford 2014.
USA distribution
Left & Middle: Kartesz, J.T., The Biota of North America Program (BONAP). 2012. North American Plant Atlas (
Dark green=present in state; Light green=present in county, not rare.Yellow=present, rare. Accessed 12 Jan 2013 and 13 Apr 2016.
Right: CCH2. Click to see live records.

Type specimen: NY 00335249
NY 00335249
Type specimen: NY 00335250
NY 00335250
Wilkes Expedition s.n., , USA: Washington Territory, Nisqually or USA: Washington, Okanogan Co., Fort Okanagan

[Click on images below to see full resolution.]
Nutlet dorsal view: CAS 217736 Nutlet ventral view: CAS 217736 Nutlet lateral view: CAS 217736
Cryptantha ambigua
(CAS 217736)

Herbarium specimen: SDSU20524 Fruit: SDSU 20524
Nutlet dorsal view: SDSU 20524 Nutlet ventral view: SDSU 20524 Nutlet lateral view: SDSU 20524
Cryptantha ambigua
Nuri Benet-Pierce 524, 14 July 2012 (SDSU 20524)
40.6359, -121.1667  1,724 meters

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