Pollen evolution and its taxonomic significance in Cuscuta (dodders ...

Pollen evolution and its taxonomic significance in Cuscuta
Table 2 continued
Infrageneric group Species Species details
Percent
perforation (%)
Avg. perforation
area (lm 2 )
Perforation
diameter (lm)
Length (lm) Width
(lm)
P/E ratio Shape Number
of colpi
Clade E C. denticulata 0 0 0 14.4–(15.2)–16.1 11.4–(11.8)–11.9 1.29 SP 3 (–4)
C. nevadensis 4.9 0.058 0.150–(0.335)–0.716 20.0–(20.8)–22.2 12.9–(13.7)–14.0 1.52 P 3 (–4)
C. veatchii 0.4 0.015 0.137–(0.193)–0.311 17.8–(19.4)–20.6 13.9–(14.9)–16.2 1.30 (P–) SP 3 (–4)
Clade F C. burrelli 4 0.044 0.183–(0.319)–0.455 16.7–(17.5)–18.0 13.7–(16.5)–16.6 1.06 (SP–) S 3 (–4)
C. haughtii 12.5 0.186 0.298–(0.561)–1.053 19.1–(20.8)–21.8 15.4–(18.4)–21.3 1.13 (SP–) S 3 (–4)
C. longiloba 1.5 0.014 0.210–(0.276)–0.351 15.0–(18.7)–21.8 17.2–(22.6)–25.7 0.83 (S–) SO 3 (–4)
C. partita 3.2 0.019 0.163–(0.330)–0.562 19.6–(21.5)–23.4 14.3–(15.5)–16.6 1.39 P (–SP) 3 (–4)
C. serrata* 0 0 0 18.9–(19.8)–20.7 13.2–(16.8)–19.0 1.18 (P–) SP 3 (–4)
Clade G C. aurea 0.1 0.052 0.302–(0.408)–0.505 17.5–(18.6)–19.6 13.6–(14.9)–15.8 1.25 (P–) SP 3 (–4)
C. cotijana 20.2 0.405 0.213–(0.306)–1.338 14.3–(18.3)–22.0 13.1–(16.2)–17.4 1.13 (SP–) S 3 (–4)
C. floribunda 8.6 0.095 0.420–(0.560)–0.693 21.3–(22.7)–24.8 14.6–(17.0)–19.3 1.34 P (–SP) 3 (–4)
C. jalapensis 14.5 0.28 0.424–(0.670)–0.889 27.8–(28.6)–30.3 18.7–(19.7)–21.2 1.45 P (–SP) 3 (–4)
C. lindsayi 4.9 0.04 0.305–(0.395)–0.489 22.7–(23.7)–25.6 21.2–(22.0)–23.0 1.08 (SP–) S 3 (–4)
C. mitriformis 17.7 0.136 0.232–(0.440)–0.781 23.2–(24.7)–25.9 23.9–(25.8)–27.0 0.96 (SP–) S 3 (–4)
C. purpusii 15 0.103 0.297–(0.573)–1.240 18.7–(20.1)–22.1 20.9–(22.8)–24.7 0.88 S (–SO) 3 (–4)
C. rugosiceps 9.9 0.166 0.406–(0.773)–1.506 17.7–(18.6)–19.1 15.5–(16.8)–18.2 1.11 (SP–) S 3 (–4)
C. tasmanica 0.2 0.036 0.228–(0.284)–0.330 21.4–(23.2)–25.0 13.4–(15.0)–16.2 1.55 P (–SP) 3 (–4)
C. tinctoria 19.7 0.244 0.406–(0.654)–0.905 22.6–(24.3)–26.3 17.3–(18.1)–19.0 1.34 P (–SP) 3 (–4)
C. victoriana 0 0.005 0.054–(0.117)–0.166 21.7–(25.4)–28.6 16.6–(18.6)–21.0 1.37 P (–SP) 3 (–4)
C. woodsonii 0.6 0.031 0.254–(0.361)–0.490 17.3–(19.2)–21.3 14.5–(16.3)–17.7 1.17 SP (–S) 3 (–4)
Clade H C. applanata 2 0.066 0.185–(0.311)–0.625 22.2–(23.2)–24.9 14.1–(14.9)–15.9 1.56 P (–S) 3 (–4)
C. chinensis 0 0 0 18.4–(19.6)–20.6 20.6–(21.8)–22.9 0.90 (SP–) S 3 (–4)
C. dentatasquamata* 1 0.076 0.201–(0.324)–0.661 19.3–(20.1)–21.8 13.6–(16.1)–17.9 1.25 SP (–S) 3 (–4)
C. potosina var. potosina 0.2 0.03 0.132–(0.204)–0.318 24.7–(26.6)–29.7 17.2–(18.1)–19.5 1.43 P (–SP) 3 (–4)
C. potosina var. globifera 0.1 0.013 0.229–(0.306)–0.430 24.4–(26.3)–28.9 17.9–(18.4)–18.9 1.47 P (–SP) 3 (–4)
C. sandwichiana 0 0 0 23.3–(24.9)–26.8 17.4–(19.8)–23.1 1.26 SP 3 (–4)
C. yucatana 0.1 0.012 0.124–(0.200)–0.287 17.3–(17.9)–18.6 10.5–(12.2)–13.5 1.47 P (–SP) 3 (–4)
Clade I C. americana 2.9 0.036 0.221–(0.328)–0.523 17.1–(19.2)–21.0 14.4–(16.1)–16.6 1.19 SP (–S) 3 (–4)
C. cozumeliensis 16.4 0.151 0.241–(0.530)–0.924 14.4–(15.3)–16.5 18.1–(20.2)–21.9 0.76 (SP–) SO 3 (–4)
C. globulosa 1.2 0.05 0.356–(0.454)–0.574 24.2–(25.2)–27.5 18.7–(20.4)–23.1 1.24 SP 3 (–4)
C. macrocephala 17.7 0.319 0.519–(0.860)–1.398 23.1–(25.0)–26.6 15.5–(16.8)–17.7 1.49 P (–SP) 3 (–4)
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