@article{fdi:010065874, title = {{R}evision of {P}ichonia ({S}apotaceae) in {N}ew {C}aledonia}, author = {{S}wenson, {U}. and {M}unzinger, {J}{\'e}r{\^o}me}, editor = {}, language = {{ENG}}, abstract = {{P}ichonia {P}ierre ({S}apotaccae, {C}hrysophylloideae) is a small genus of 10 species in {A}ustralasia, of which seven are endemic to {N}ew {C}aledonia. {W}e revise the genus for {N}ew {C}aledonia and describe one new species ({P}. grandiflora), resurrect another ({P}. dubia) and make two new combinations because of nomenclatural priority ({P}. balansae, {P}. deplanchei). {P}. balansae has been known for decades as {P}. calomeris, a name that in fact has never been validly published. {T}he members are mainly found in {G}rande {T}erre, the main island of {N}ew {C}aledonia, but two species extend to {B}elep {I}slands in the north and to {I}sle of {P}ines in the south of the archipelago. {M}ost grow in maquis vegetation at low altitudes, on ultramafic soils, preferably serpentinite. {T}he exceptions are {P}. balansana, confined to limestone areas, and {P}. dubia that is a large canopy tree of the humid forest on ultramafic soil. {P}ichonia is distinguished by a character combination of an areolate higher venation, staminodes, a single-seeded fruit, plano-convex cotyledons and absence of endosperm. {B}ecause of being restricted to ultramafic soils, they are subsequently sensitive to present and future mining activities in {N}ew {C}aledonia. {H}ence, preliminary {IUCN} {R}ed {L}ist assessments for all members are provided. {P}. balansana, {P}. daenikeri and {P}. lecomtei are all naturally uncommon, do not occur in any protected area and are proposed the {IUCN} status of {V}ulnerable. {T}he herein described species {P}. grandiflora is rare in nature, known only from the {B}oulinda-{P}aeoua-{K}opeto {M}ountains, and is in urgent need of protection. {I}t is therefore assigned a preliminary status of {E}ndangered. {R}eceived 6 {J}uly 2011, accepted 9 {D}ecember 2011, published online 9 {M}arch 2012}, keywords = {}, booktitle = {}, journal = {{A}ustralian {S}ystematic {B}otany}, volume = {25}, numero = {1}, pages = {31--48}, ISSN = {1030-1887}, year = {2012}, DOI = {10.1071/sb11027}, URL = {https://www.documentation.ird.fr/hor/fdi:010065874}, }