Tristagma bivalve (Hook. ex Lindl.) Traub (1963: 61)

Arroyo-Leuenberger, Silvia C. & Sassone, Agostina B., 2016, An annotated checklist of the genus Tristagma (Amaryllidaceae, Allioideae), Phytotaxa 277 (1), pp. 21-35 : 26

4. Tristagma bivalve (Hook. ex Lindl.) Traub (1963: 61)

Bas.: Triteleia bivalvis Hook. ex Lindley (1829: t. 1293) ≡ Milla bivalvis (Lindl.) Baker (1871: 386) ≡ Hookera bivalvis (Hook. ex Lindl.) Kuntze (1891: 712) ≡ Brodiaea bivalvis (Hook. ex Lindl.) Meigen (1893: 225) ≡ Ipheion bivalve (Hook. ex Lindl.) Traub (1953: 69) . Type (lectotype designated here):— CHILE. [Región Metropolitana], Bath of Collina, near St Jago [Santiago] at the limit of the snow, 1825, McRae s.n. (CGE 06865!, sintype K!). Figs. 4A, 4E .

Notes: — Lindley (1829) based Triteleia bivalve on material collected for the Horticultural Society of London by James McRae, of which there is a specimen at Cambridge (where much of Lindley’s herbarium is located) annotated in Lindley’s own hand “Mc Rae 1825”. There is also a specimen at Kew (K, Hb. Benthamianum 1854, as yet unnumbered) with a printed label: “Herb. Soc. Hort. Lond. /Collina. Chili / Macrae 1825.” that we regard as a sintype. Different authors have treated Tristagma bivalve under other genera and considered different diagnostic features to differentiate this species. After the original description, Poeppig (1833) described Triteleia bivalvis with the following characters: “perianthii ad basin usque sexpartiti laciniis erectis, planis, obtusatis”, in the description “...tuvo vix ullo... oblongis, obtusis...” and this author also stated that T. bivalvis is distributed in “ Chile bor. Graminos. ad Concon”. In MO there is a Poeppig’s material (number 107) collected in Concon identified as Triteleia bivalvis Hook. Meanwhile, Kunth (1843) mentioned similar characteristics to Poeppig’s description (perigone forming a tube, obtuse segments) and he added: “inflorescence 5-6-flora”, and he also referred to Poeppig 107. Gay (1854) cited Lindley and Poeppig, following Kunth’s description. Baker (1871), transferred Triteleia species to Milla , and cited M. bivalvis in Chile without locality details, and material at K collected by Beechey, Cuming 651 and Bridges. All this material (and Poeppig 107, BM!, MO!, P!) is identifiable as Tristagma gracile .

= Tristagma brevipes (Kuntze) Traub (1963:61) , syn. nov.

Bas.: Triteleia brevipes Kuntze (1847: 9) ≡ Milla brevipes (Kuntze) Baker (1871: 386) ≡ Brodiaea brevipes (Kuntze) Baker (1896: 459) ≡ Hookera brevipes (Kuntze) Kuntze (1891: 712) ≡ Ipheion brevipes (Kuntze) Traub (1953:69) . Type:—not designated.

Note: — Triteleia brevipes was stated by Kuntze (1847) to come from the Andes of Chile, but without more precise locality and so far as is known, no original material is known.

Conservation status: — Least Concern (LC).

Figures

FIGURE 4. A, Lectotype of Triteleia bivalvis Hook. ex Lindl CGE 06865. B, lectotype of Triteleia patagonica (LPS 11668, LP 004240). C, Photograph of T. gracile (by Giussani). D, Photograph of T. ameghinoi (by Zuloaga, F.). E, Photograph of T. bivalve (by Sassone).