| Paphiopedilum charlesworthii | photo C. Solimbergo | |
| taxonomy | described by | (Rolfe) Pfitzer, Ernst Hugo Heindrich |
| published in | Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 19 : 40 1894 (1895) | |
| family | Orchidaceae | |
| subfamily | Cypripedioideae | |
| tribe | -- | |
| subtribe | -- | |
| genus | Paphiopedilum Pfitzer 1886 | |
| subgenus | Paphiopedilum (Karasawa & Saito) Atwood 1984 | |
| chromosomes | 2n = 26 | |
| metabolism | CAM pathway, stomata of the leaves are open at night. | |
| (K.Silvera, L.S. Santiago, J.C. Cushman, K. Winter - International Symposium on Plant Biology, August 2013) | ||
| it is useful give the soluble mineal nutriens, on the roots. | ||
| native of | origins | India (Assam), Burma (Lake Inla), Thailand, China (Yunnan) |
| altitude | 1200 - 2000 m (3960 - 6600 ft) | |
| habitat | climate informations from Helo (Shan, Burma) | |
| Köppen climate classification : Cfa, humid subtropical climate in all seasons, with very hot summers | ||
| the weather station data (temperatures are calculated for an altitude of 1600 / 5300 ft) : | ||
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| photoperiod | in Helo this orchid blooms with a photoperiod, which varies during the year, from 13 h 22 m' to 10 h 38 m' | |
| life form | litophyte or geophyte in debris of leaves on calcareous soil | |
| to bloom induction, need a december or january rest (Lance A. Birk) | ||
| brightness | partial shade | |
| inflorescence | length | 9 cm (3.6"), from the base of the leaves |
| nr flowers | 1 | |
| size | single flower 8 L 8 cm (3.2" L 3.2") | |
| duration | single flower, ≈ 60 days | |
| time | to bloom from birth, ≈ 60 days | |
| CITES | appendix | I |
