FIGURE 3 in A new genus and a major temperate bamboo lineage of the Arundinarieae (Poaceae: Bambusoideae) from Sri Lanka based on a multi-locus plastid phylogeny

FIGURE 3. The three different types of palea apices. A1—biapiculate (sinus shallow) palea apex of Yushania niitakayamensis (Hayata) P.-C. Keng (1957: 357) and A2—biapiculate (sinus shallow) palea apex of Bergbambos tessellata; B1—long-divided tips (sinus deep) palea of Arundinaria gigantea and B2—long-divided tips (sinus deep) palea of Fargesia spathacea Franchet (1893: 1067); C1—acute, undivided palea apex of A. debilis and C2—acute, undivided palea apex of Oldeania alpina (K. Schum.) Stapleton (2013: 100).