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Acer republicense
Taxonomy
Acer republicense was named by Wolfe and Tanai (1987). Its type specimen is UAPC S5414A, B., a seed/fruit (Samara), and it is a compression fossil. Its type locality is Republic, UWBM locality A0307, which is in a Ypresian lacustrine - large mudstone in the Klondike Mountain Formation of Washington.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1987 | Acer republicense Wolfe and Tanai |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Acer republicense Wolfe and Tanai 1987
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. A. Wolfe and T. Tanai 1987 | Fruit samaroid; nutlet at basal end; nutlet 0.7 m long, 0.3 cm wide, outline elliptic, apex narrowly rounded; slightly inflated; two flanges almost fused to form a medial ridge extending the length of nutlet; attachment angle 50°, nutlet angle 10°. Wing extending along half the distal margin of nutlet, 1.7 cm long, 0.7 cm wide; distal margin basally convex and distally straight, proximal margin straight, apex narrowly rounded; 5 veins from nutlet coalescing along proximal margin of wing, then diverging at angles of 10° to 30°, dichotomizing and anastomosing, some veinlets . |
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||