Hippeastrum, Herbert, 1821
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publication ID |
https://doi.org/ 10.11646/phytotaxa.571.2.6 |
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DOI |
https://doi.org/10.5281/zenodo.7293815 |
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persistent identifier |
https://treatment.plazi.org/id/03DBF636-0615-FFA6-15C4-F9CFD598A1FF |
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treatment provided by |
Plazi |
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scientific name |
Hippeastrum |
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Identification key for the Hippeastrum View in CoL 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 View in CoL ( Fig. 4J View FIGURE 4 )
- 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 View FIGURE 4 )
- 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 View in CoL ( Fig. 4D View FIGURE 4 )
- Lamina lorate or falcate, more than 1 cm wide ................................................................................................................................ 4
4. Flowers green; staminal filaments exceeding the length of the perigone ................................ Hippeastrum calyptratum View in CoL ( Fig. 4C View FIGURE 4 )
- 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 View in CoL ( Fig. 4B View FIGURE 4 )
- 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 View FIGURE 1 & 2 View FIGURE 2 )
- Flowers red to orange .................................................................................................................... Hippeastrum striatum View in CoL ( Fig. 4K View FIGURE 4 )
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 View in CoL ( Fig. 4H View FIGURE 4 )
- 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 View in CoL ( Fig. 4I View FIGURE 4 )
10. Paraperigone a ring of broad scales ................................................................................................ Hippeastrum aulicum View in CoL ( Fig. 4A View FIGURE 4 )
- Paraperigone callose, fimbriate or a pellicle of fused fimbriae ...................................................................................................... 11
11. Tepals almost isodiametrical, lateral sepals symmetrically elliptic to narrowly elliptic .......... Hippeastrum morelianum View in CoL ( Fig. 4F View FIGURE 4 )
- 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 View in CoL ( Fig. 4E View FIGURE 4 )
- 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 View in CoL ( Fig. 4G View FIGURE 4 )
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