▁in ▁the ▁family ▁S ap ot aceae . ▁The ▁tw igs ▁are ▁brown ish . ▁In fl ores c ences ▁bear ▁up ▁to ▁three ▁flowers . ▁The ▁f ruits ▁are ▁elli ps oid , ▁up ▁to ▁ ▁long . ▁Its ▁habitat ▁is ▁mixed ▁dip ter oc arp ▁for ests . ▁P .   eden ii ▁is ▁en demic ▁to ▁Bor neo ▁and ▁known ▁only ▁from ▁Sar aw ak . ▁ ▁References ▁ ▁ed en ii ▁Category : End em ic ▁fl ora ▁of ▁Bor neo ▁Category : T rees ▁of ▁Bor neo ▁Category : Fl ora ▁of ▁Sar aw ak ▁Category : Pl ants ▁described ▁in ▁ 1 9 0 9 <0x0A> </s> ▁The ▁ 1 0 ▁kilometres ▁race ▁walk , ▁or ▁ 1 0 - kil ometer ▁race walk , ▁is ▁a ▁race walk ing ▁event . ▁ ▁The ▁event ▁is ▁competed ▁as ▁a ▁road ▁race . ▁Athlet es ▁must ▁always ▁keep ▁in ▁contact ▁with ▁the ▁ground ▁and ▁the ▁supporting ▁leg ▁must ▁remain ▁straight ▁until ▁the ▁raised ▁leg ▁passes ▁it . ▁▁ 1 0 ▁kilom eters ▁is ▁ 6 . 2 1 ▁miles . ▁ ▁History ▁ ▁It ▁was ▁introduced ▁at ▁the ▁ 1 9 1 2 ▁Summer ▁Olympics ▁in ▁Stockholm ▁for ▁men , ▁and ▁the ▁ 1 9 9 2 ▁Summer ▁Olympics ▁in ▁Barcelona ▁for ▁women . ▁ ▁It ▁is ▁no ▁longer ▁an ▁ ▁Olympic ▁event ▁for ▁women , ▁having ▁been ▁changed ▁to ▁ 2 0   km ▁in ▁ 1 9 9 9 , ▁though ▁it ▁is ▁run ▁in ▁some