By Finn Borchsenius, Rodrigo Bernal, Scott Zona, Andrew Henderson, Gloria Galeano, Monica Moraes R.
Aiphanes (Palmae), by way of Finn Borchsenius and Rodrigo Bernal (Vol. 70); Roystonea (Arecaceae: Arecoideae), through Scott Zona (Vol. 71); Euterpe, Prestoeae, and Neonichlosonia (Palmae), by means of Andrew Henderson and Gloria Galeano (Vol. 72); and Allagoptera (Palmae), through Mónica Moraes R. (Vol. 73)
A taxonomic revision of every neotropical genus is gifted.
Read Online or Download Aiphanes (Flora Neotropica Monograph No. 70) Roystonea (FN No. 71) Euterpe, Prestoea, and Neonicholsonia (FN No. 72) Allagoptera (FN No. 73) PDF
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Extra resources for Aiphanes (Flora Neotropica Monograph No. 70) Roystonea (FN No. 71) Euterpe, Prestoea, and Neonicholsonia (FN No. 72) Allagoptera (FN No. 73)
Petalslength(mm) Antherasize (mm) Pollen exine Pist. 1 prophyll,peduncularbractandpedunclewith a dense, white or grey indument;prophyll30-35 cm long, 3-8 cm wide; peduncularbract insertedjust above prophyll or on the distal half of peduncle, 80-140 cm long, 4-8 cm wide, coriaceousto woody, unarmedor spiny; peduncle 30-150 cm long, 3-20 mm diam. at junction with rachis, densely armed with black, to 5 cm long spines; rachis 20-75 cm long, unarmedor proximallyarmedlike peduncle,rarelyspiny throughout; rachillae 25-170, unarmedor rarelyspiny,with a peltate indument,often with distinct swellings below the flower-groups; basal rachillae 8-40 cm long, sometimes with a basal flower less part up to 6 cm long, with triadsfor 2/3 of their length or less, distally staminate,sometimes only with a few triadsclustered near the base; apical rachillae 3-10 cm long, staminate, or sometimes with a few triads at base; each triad subtendedby a small bract,sometimescovering the pistillateflower for up to /4 of its length;eachdyad subtended by a minute or up to 1 mm long bract.
With spines 2, 5, 8, 10a, 10b, 10c Flowers 26. Color of staminateflowers a. White, cream, yellow, or greenishyellow, neverrose or violet in bud 2, 6, 9, (10b), 11, 12, 14, 15, 17, 18, 20, 21 b. Rose or purple,at least in bud, often white at anthesis 1, 3, 5, 7, 10a, 10b, 10c, 10d, 11, 12, 13, 16, 17, 19, 22 c. Orange 4, 14 27. Length of anthers a. >2 mm 2, 5, 9, 15, 21 b. 1-2 mm 2, 5, 6, 10b, 12, 13, 15, 18, 21 c. <1 mm 1, 3, 4, 7, 8, 10a, 10c, 10d, 11, 12, 13, 14, 16, 17, (18), 19, 20, 22 Fruit 28.
Aculeata in Bolivia (Henderson & Solomon 520). We observedflies and weevils on inflorescences and flowers of A. The weevils had the same colour and size as unopened flowerbudsand were difficult to spot without careful examination. The combination of relatively large staminateflowers with linear anthers and rapid inflorescence development (less than one month total anthesis time) appearsto be associatedwith pollinationby bees, sometimeswith participation of beetles (Coleoptera),bugs (Hemiptera), and wind, whereasthe combinationof small staminate flowers with minute oval anthersand slower inflorescence developmentappearsto be associatedwith pollinationby flies.
Aiphanes (Flora Neotropica Monograph No. 70) Roystonea (FN No. 71) Euterpe, Prestoea, and Neonicholsonia (FN No. 72) Allagoptera (FN No. 73) by Finn Borchsenius, Rodrigo Bernal, Scott Zona, Andrew Henderson, Gloria Galeano, Monica Moraes R.