Commelinids

Figure 5. A−DMuhlenbergiacoerulea (Griseb.) Mez A habit B culm and panicle C ligule D spikelet E−KMuhlenbergiacoerulea (Griseb.) Mez × Muhlenbergiarigida (Kunth) Kunth E culm and panicle F spikelet G floret H glumes I lemma J paleas, dorsal and ventral view K lodicules, stamens, and pistil. A−D drawn from P.M. Peterson, R.J. Soreng & J. Montoya Quino 21957 (US) E−K drawn from P.M. Peterson & N. Refulio Rodriguez 14860 (US).

Figure 6. A−CMuhlenbergiacoerulea (Griseb.) Mez A habit B panicle C spikelet D−FMuhlenbergiarigida (Kunth) Kunth D habit E panicle F spikelet. Drawings from Giraldo-Cañas and Peterson (2009), Peterson and Giraldo-Cañas (2011). A−C drawn from S.G. Beck 7700 (LPB) D drawn from P.M. Peterson 9659 (US) E, F drawn from P.M. Peterson, C.R. Annable & J. Valdés-Reyna 10876 (US).

Figure 1. A, B Maximum-likelihood tree inferred from combined plastid (ndhA intron, rps16-trnK, rps16 intron, rps3, and rpl32-trnL) and ITS sequences. Thick branches indicate posterior probabilities of 0.95−1; species in red occur in South America; scale bar = 2%.

Figure 7. A−DMuhlenbergiadiversiglumis Trin A habit B ligule C glumes D floret E−HMuhlenbergiamicrosperma (DC.) Kunth E habit F ligule G glumes H lemma. Drawings from Peterson and Annable (1991)A−D drawn from P.M. Peterson & C.R. Annable 4158 (WS) F−H drawn from P.M. Peterson & C.R. Annable 4185 (WS).

Figure 1. A, B Maximum-likelihood tree inferred from combined plastid (ndhA intron, rps16-trnK, rps16 intron, rps3, and rpl32-trnL) and ITS sequences. Thick branches indicate posterior probabilities of 0.95−1; species in red occur in South America; scale bar = 2%.