A remarkable new species of Hippeastrum (Amaryllidaceae) from the Serra da Mantiqueira, Southeastern Brazil Author Campos-Rocha, Antonio 0000-0002-8712-3665 Programa de Pós-Graduação em Biologia Vegetal, Instituto de Biologia, Universidade Estadual de Campinas, 13083 - 862, Campinas, SP, Brazil; camposrocha @ hotmail. com; https: // orcid. org / 0000 - 0002 - 8712 - 3665 camposrocha@hotmail.com Author Medeiros, Alexandre Da Silva 0000-0002-0497-166X Universidade Cesumar, Maringá, PR, Brazil; alexandremedeirosbicolor 40 @ gmail. com; https: // orcid. org / 0000 - 0002 - 0497 - 166 X School of Life Sciences, Arizona State University, P. O. Box 874501, Tempe, AZ 85287 - 4501 & Montgomery Botanical Center, Coral Gables, FL 33156, U. S. A.; ameerow @ asu. edu; https: // orcid. org / 0000 - 0003 - 1882 - 8327 alexandremedeirosbicolor40@gmail.com Author Meerow, Alan William 0000-0003-1882-8327 ameerow@asu.edu Author Sanz-Veiga, Priscila Andre 0000-0002-7096-2411 Programa de Pós-Graduação em Zoologia, Instituto de Biociências, Universidade Estadual Paulista “ Júlio de Mesquita Filho ”, Botucatu, SP, Brazil; psanzveiga @ gmail. com; https: // orcid. org / 0000 - 0002 - 7096 - 2411 psanzveiga@gmail.com Author Koch, Ingrid 0000-0003-3256-5922 Departamento de Biologia Vegetal, Instituto de Biologia, Universidade Estadual de Campinas, 13083 - 862, Campinas, SP, Brazil. & ingrid. koch @ gmail. com; https: // orcid. org / 0000 - 0003 - 3256 - 5922 ingrid.koch@gmail.com Author Dutilh, Julie Henriette Antoinette 0000-0003-4353-0899 Departamento de Biologia Vegetal, Instituto de Biologia, Universidade Estadual de Campinas, 13083 - 862, Campinas, SP, Brazil. & judutilh @ yahoo. com; https: // orcid. org / 0000 - 0003 - 4353 - 0899 judutilh@yahoo.com text Phytotaxa 2022 2022-11-03 571 2 197 208 http://dx.doi.org/10.11646/phytotaxa.571.2.6 journal article 179305 10.11646/phytotaxa.571.2.6 e9a416c3-d65e-4973-a3e0-ca4396bc5828 1179-3163 7284457 Identification key for the Hippeastrum species occurring in the Serra da Mantiqueira 1. Leaves pseudopetiolate to obscurely pseudopetiolate, lamina lanceolate to oblanceolate; ovary with up to 12 ovules per locule; interior of mature capsule bright red, seeds globose ................................................................. Hippeastrum reticulatum ( Fig. 4J ) - Leaves sessile, lamina lorate, linear, falcate or strongly falcate; ovary with more than 24 ovules per locule; mature capsule not pigmented, seeds papery, flattened ................................................................................................................................................... 2 2. Lamina strongly falcate, subfleshy; flowers nearly actinomorphic, salverform; stamens erect, anthers at the same height .............. ................................................................................................................................................ Hippeastrum velloziiflorum ( Fig. 4L ) - Lamina lorate, linear or falcate, chartaceous; flowers zygomorphic, campanulate to infundibuliform; stamens deflexed, anthers in different positions ............................................................................................................................................................................. 3 3. Lamina linear, 0.1–0.5 cm wide .................................................................................................. Hippeastrum cipoanum ( Fig. 4D ) - Lamina lorate or falcate, more than 1 cm wide ................................................................................................................................ 4 4. Flowers green; staminal filaments exceeding the length of the perigone ................................ Hippeastrum calyptratum ( Fig. 4C ) - Flowers white to cream, red, dark red to carmine, salmon, orange, sometimes greenish proximally and reddish distally, rarely pink; staminal filaments shorter than the perigone .................................................................................................................................... 5 5. Perigonal tube longer than 4 cm .............................................................................................. Hippeastrum brasilianum ( Fig. 4B ) - Perigonal tube up to 4 cm long ......................................................................................................................................................... 6 6. Paraperigone absent .......................................................................................................................................................................... 7 - Paraperigone callose, fimbriate, a pellicle of fused fimbriae or a ring of broad scales...................................................................... 8 7. Flowers white with pink striations .................................................................................... Hippeastrum abatinguara ( Figs. 1 & 2 ) - Flowers red to orange .................................................................................................................... Hippeastrum striatum ( Fig. 4K ) 8. Stigma capitate to tri-lobed .............................................................................................................................................................. 9 - Stigma trifid .................................................................................................................................................................................... 10 9. Flowers salmon or orange, rarely pink, yellowish to green at the base, forming a circular pattern at the throat; upper tepals distally reflexed; perigonal tube 2.3–3.2 cm long .................................................................................... Hippeastrum puniceum ( Fig. 4H ) - Flowers dark red to carmine, greenish white at the throat with extensions to the middle of the limb; upper tepals not reflexed; perigonal tube about 1 cm long ........................................................................................................ Hippeastrum reginae ( Fig. 4I ) 10. Paraperigone a ring of broad scales ................................................................................................ Hippeastrum aulicum ( Fig. 4A ) - Paraperigone callose, fimbriate or a pellicle of fused fimbriae ...................................................................................................... 11 11. Tepals almost isodiametrical, lateral sepals symmetrically elliptic to narrowly elliptic .......... Hippeastrum morelianum ( Fig. 4F ) - Upper sepal much wider and longer than lower petal, lateral sepals falcate .................................................................................. 12 12. Bulb subterranean; perigonal tube 1.4–2 cm long; paraperigone a pellicle of fused fimbriae ............................................................ ................................................................................................................................................... Hippeastrum glaucescens ( Fig. 4E ) - Bulb on rocks; perigonal tube 2–2.4 cm long; paraperigone callose with faint linear scratches between the base of the expansions on the three upper tepals ........................................................................................................... Hippeastrum psittacinum ( Fig. 4G )