December 2012 Number 1 - Utah Native Plant Society

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Utah Native Plant Society Table 1. Specific vouchers identified in the PCoA, cluster analysis, and parsimony figures. The Map Code column identifies vouchers on the distribution maps and PCoA figures. Label data for vouchers of A. lentiginosus var. maricopae and A. lentiginosus var. ursinus can be found in the Taxonomic Treatment and the data for all other varieties can be found in Appendix 1. Vouchers collected by Alexander with letters in brackets (i.e. Alexander 2367 [A]) are specific individuals on vouchers measured for the morphological analyses. Type: H=Holotype, L=Lectotype, I=Isotype, IL=Isolectotype, P=Paratype, v=type vicinity Taxon Type Map Code Herbarium Voucher A. lentiginosus var. ambiguus H, I B RSA, CAS Ripley & Barneby 3403 A. lentiginosus var. ambiguus (intermediate to var. yuccanus) D OSC, UNLV Alexander 2325 A. lentiginosus var. araneosus I A NY, ORE, GH Jones s.n. from June 1880; Jones 1807 from June 1880 A. lentiginosus var. bryantii H N CAS Bryant s.n. 15 Dec. 1939 A. lentiginosus var. bryantii N 2 GH Holmgren et al. 15609 A. lentiginosus var. iodanthus v J NY, ORE Jones s.n. from May 1882; Jones 3837 from May 1882 A. lentiginosus var. maricopae v S OSC, UNLV Alexander 1621 [A] A. lentiginosus var. maricopae v S 1 OSC, UNLV Alexander 1621 [C] A. lentiginosus var. maricopae H S 2 US Harrison 1790 A. lentiginosus var. mokiacensis (putative type locality) A. lentiginosus var. mokiacensis (published type locality) L, IL L GH, NY Palmer 105 L,IL L 2 GH, NY Palmer 105 A. lentiginosus var. mokiacensis Q NY, POM Jones 5058 A. lentiginosus var. palans H,I E POM, GH Eastwood s.n. June 1892 A. lentiginosus var. palans (type of A. amplexus) H,I F RM, GH Payson 335 A. lentiginosus var. palans P G GH Eastwood s.n. May 1892 A. lentiginosus var. palans H NY Barneby 13104 A. lentiginosus var. palans H 1 NY Demaree 43807b A. lentiginosus var. palans H 2 NY Holmgren & Holmgren 12796 A. lentiginosus var. palans H 3 NY, POM, BRY Jones 5218 A. lentiginosus var. palans H 4 NY Jones 5218a A. lentiginosus var. palans H 5 NY Raven 13079 A. lentiginosus var. palans H 6 NY Ripley & Barneby 8662 A. lentiginosus var. palans H 7 NY Weber 4735 A. lentiginosus var. pseudiodanthus v K OSC, UNLV Alexander 1631 A. lentiginosus var. stramineus H,I T NY, GH Palmer s.n. in 1870 138
A. lentiginosus var. ursinus (published type locality) Calochortiana December 2012 Number 1 Table 1, continued Taxon Type Map Code Herbarium Voucher L,IL M GH, NY Palmer s.n. 1877 A. lentiginosus var. ursinus M 1 OSC, UNLV Alexander 2120 [A] A. lentiginosus var. ursinus (Mokiak Pass elements mounted with the type by Gray) M 2 GH Palmer s.n. 1877 A. lentiginosus var. vitreus H,I U POM, NY Maguire & Blood 4413 A. lentiginosus var. wilsonii v R OSC, UNLV Alexander 2367 [A] A. lentiginosus var. wilsonii v R 2 OSC, UNLV Alexander 2334 [D] A. lentiginosus var. wilsonii (type locality) H,I R 3 ND Wilson s.n. from May 1893 A. lentiginosus var. wilsonii (population intermediate with var. bryantii, var. mokiacensis, or var. ursinus) A. lentiginosus var. wilsonii (population putatively intermediate to var. palans) P CAS Eastwood 5748 P 2 NY Demaree 43807 A. lentiginosus var. yuccanus H C POM Jones 3886 cross section (podsc), pod shape in longitudinal section (podsl), pod pedicel orientation (podpo), leaf abaxial pubescence (leafab), keel length (keell), calyx teeth shape (calyxs), and pod orientation on raceme. The second axis of the PCoA explained 11.7% of the total variation. The largest correlation to the second axis was from leaf adaxial pubescence (leafad). Moderate correlations were obtained for pod stipe length (pods), calyx teeth shape (calyxs), and wing color (wingc). A scatterplot of the first two coordinates of the PCoA is shown in Figure 4. In PAUP*, an heuristic search of 100 random addition sequences with TBR branch swapping was started with the data set of 21 morphological characters from 30 specimens of the Palantia and related members of A. lentiginosus. All 21 characters were parsimony informative. Sixteen most parsimonious trees of length 110 were recovered (HI = 0.5636; RI = 0.6416; CI = 0.4364; RC= 0.2800). Figures 5-8 are the strict consensus of trees of length 110 with major characters state changes mapped on the clades. The clades in this analysis have low support. A bootstrap analysis of 10,000 replicates resulted in only five clades having 70% or higher support (pseudiodanthus & iodanthus, clade A, 73%; vitreus 4413 to yuccanus 3886, clade B, 73%; yuccanus 3886 & ambiguus 2325, clade C, 87%; wilsonii 2367A & 2334D clade, 75%; maricopae 1621A & 1621C, clade E, 95%). Only banner color (Figure 5), pod persistence (excluding the reversal to a deciduous pod in A. lentiginosus var. wilsonii, Eastwood 5748; Figure 6), pod raceme orientation (Figure 7) and degree of pod incurve (not shown) had a high consistency with little or no character state reversals. A dendrogram (Figure 9) of a Euclidean similarity matrix obtained from a cluster analysis showed nearly the same topology as the tree obtained from the parsimony analysis. DISCUSSION Outgroup selection in this study proved to be problematic. Barneby (1964) proposed that a plant similar to the small flowered Astragalus lentiginosus var. salinus (a taxon with bladdery inflated pods) was the ancestor to the members of the A. lentiginosus complex and that this complex was closely related to Section Inflati A. Gray, a large species complex with unilocular, bladdery inflated pods. Nuclear inter-transcribed spacer (ITS) DNA sequence data have shown that A. lentiginosus has an identical sequence to that of A. purshii Douglas ex Hook. (and an almost identical sequence to that of A. utahensis (Torr.) Torr. & A. Gray) of Section Argophylli A. Gray (a section composed primarily of taxa with 139
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Species # Training Samples Calochor
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Pot Score Min Score Trend Threat In
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December 2012 Number 1 - Utah Native Plant Society

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