dc:description"Figure 2. Ultimate segments. Arrows show distance from base of the shallowest sinuses to nearest costule / vein. a Orthiopteris ferulacea, Smith 8932 (K) b Orthiopteris cicutarioides, Carr 13257 (K) c Orthiopteris samoensis, Reinecke 97 a (L) d Orthiopteris trichophylla, Brass 12239 (L) e Orthiopteris campylura var. cautada, Carr 12518 (L) f Orthiopteris campylura var. laxa Mueller s. n. (L) g Orthiopteris campylura var. kingii, Brass 12941 (MICH) h Orthiopteris henriettae, Lam & Meeuse 5892 (L) i Orthiopteris campylura var. insularis Braithwaite 4110 (L). All scale bars 1 mm.";
dc:description"Figure 3. Sori of Orthiopteris seen from abaxial side. a, b Orthiopteris campylura var. campylura (Cuming 119, MICH) c Orthiopteris campylura var. kingii (Brass 12941, MICH) d Orthiopteris trichophylla (Brass 12239, L) e Orthiopteris tenuis (Smith 9154, L) f Orthiopteris tenuis (Smith 7274, L) g Orthiopteris campylura var. caudata (Carr 12518, L) h Orthiopteris cicutarioides (Carr 13257, K) i, j Orthiopteris campylura var. insularis (Braithwaite 4110, L) k Orthiopteris tenuis (small segment) (Degener 14648, L) l Orthiopteris ferulacea (Smith 8932, K) m, n Orthiopteris firma (Schlechter 14890, L) o, p Orthiopteris campylura var. laxa (Mueller s. n., L) q, r Orthiopteris henriettae (Lam & Meeuse 5892, L) s Orthiopteris henriettae. t Orthiopteris samoensis (Reinecke 97 a, L) u, v Orthiopteris samoensis (Vaupel 312, L). All scale bars 1 mm, oi = outer indusium, ii = inner indusium.";
dc:description"Figure 4. a-d Rhizome scales and e-h rachis scales of Orthiopteris. a Orthiopteris cicutarioides (Carr 13257, L) b Orthiopteris ferulacea (Smith 8932) c Orthiopteris firma (Green 1793, K) d Orthiopteris campylura var. kingi (Hoogland & Craven 10162, L) e, f Orthiopteris campylura var. kingi (Larhing 6910, L) g, h Orthiopteris samoensis (Reinecke 97 a, L). Scale bars: 1 mm (a-d), 0.1 mm (e-h).";
dc:description"Figure 6. Orthiopteris spores. a, b Orthiopteris firma (Guillaumin & Baumann-Bodenheim 10318, L) c Orthiopteris tenuis (Smith 9154, L) d Orthiopteris campylura var. campylura (Elmer 11717, L) e Orthiopteris campylura var. caudata (Ridsdale 30654, L) f Orthiopteris henriettae (Lam & Meeuse 5892, L) g, h Orthiopteris samoensis (Sledge 1563, L). All scale bars 10 µm.";