Fig 1.
Localities of examined specimens and distributions of Seto and Tokiguchi Formations.
Distributions of these formations are projected onto topographic map released by Geospatial Information Authority of Japan, based on Nakayama et al. [36].
Fig 2.
Holotype of Pinus fujiii and related specimen stored in TI.
(a) Apical view of holotype. (b) Apical view of gypsum model casted from holotype. (c) Basal view of holotype. (d) Lateral view of gypsum model. (e) Close-up of umbos in holotype. (f) Cross section of a cone scale detached from holotype. Arrow head = mucro. Scale bars: a–d, 1 cm; e, f, 5 mm.
Fig 3.
(a) Leaves in a sheath (OSA F4062). (b) Epitype (OSA F19363). (c) Female cone (OSA F19349–9). (d) Two female cone bases remained on branch (OSA F17476). Cone base behind branch is indicated by arrow. (e, f) Close-up of apophyses in OSA F19349–7 (e) and –8 (f). (g) Cone scale (OSA F19349–1). Seed scars are visible but seeds shown in Miki [30] are missing. (h) Seeds (2905). Note detached wing in right one. i. Male cone (OSA F19351–3). Scale bars: a–c, 5 cm; d–f, 1 cm; g–h, 5 mm.
Fig 4.
Female cones of Akadu population.
(a) Holotype. (b) OSA F19355–3. (c) OSA F19355–1. (d) OSA F19356–2. (e) OSA F19356–5. (f) OSA F19355–2. (g) OSA F19356–1. (h) OSA F19355–5. (i) OSA F19356–7. (j) OSA F19356–4. (k) OSA F19355–7. (l) OSA F19356–6. (m) OSA F19355–4. (n) OSA F19355–6. (o) OSA F19356–3. (p) OSA F19356–10. (q) OSA F19355–8. (r) OSA F19356–9. (s) OSA F19355–9. (t) OSA F19356–8. Scale bar: 15 cm.
Fig 5.
Female cones of Hatagoya population.
(a) Holotype. (b) OSA F19296–10 (c) OSA F19296–1 (d) OSA F19296–4. (e) OSA F19296–2. (f) OSA F19296–5. (g) OSA F19296–3. (h) OSA F19296–7. (i) OSA F19296–11. (j) F19296–17. (k) OSA F19296–6. (l) OSA F19296–9. (m) OSA F19296–16. (n) OSA F19296–8. (o) OSA F19296–15. (p) OSA F19296–14. (q) OSA F19296–13. (r) OSA F19296–12. (s) Epitype (OSA F19363). (t) OSA F19349–11. (u) OSA F19349–9. (v) OSA F19349–10. (w) OSA F19349–8. Scale bar: 15 cm.
Fig 6.
Size variations of female cones found in Akadu and Hatagoya populations.
Width of holotype and size of epitype are indicated by dashed line and arrow, respectively.
Fig 7.
Pinus mikii sp. nov. stored in OSA F.
(a) Holotype (20241–1). (b, c) Paratypes (20241–2, –3, respectively) (d) Female cone (19432–1). (e) Close-up of apophyses (19432–2). f. Leaves (20242–1). Scale bars: a, d, 1 cm; b, c, e, f, 5 mm.
Table 1.
Comparison between P. fujiii and other species characterized by a large female cone with centromucronate umbos.
Fig 8.
Strict consensus tree of 112 most parsimonious trees (length = 56, consistency index = 0.196, retention index = 0.804).
Bootstrap values (> 50%) are shown above branches. Branches not resolved in the backbone constraint tree [4] are indicated in gray.