Family 50. ORCHIDACEAE (including APOSTASIACEAE ...

Mar. Known from two collections at the type locality.
Dendrochilum reniforme Ames, Orchidaceae 5 (1915) 63; --HAe Pedersen et al., Opera Bot. 130 (1997) 24;
--HAe Pedersen, ibid. 131 (1997) 91, Fig. 47. –Type: F Calico sn (AMES, lecto, designated by LO Williams,
1951: 311; iso BM, K, NY). Luzon: Laguna prov., San Antonio, Mar 1913.
Acoridium reniforme (Ames) Ames, Orchidaceae 7 (1922) 81; --Ames in Merr., EPFP 1 (1924) 289.
Dendrochilum urciforme (Ames) LO Williams, PJS 80 (1952) 316; --Acoridium urciforme Ames, Blumea Suppl. 1
(1937) 76. –Type: Loher 13276 (AMES, holo; iso: PNH, destroyed). Luzon: Rizal prov., Mt Paminglingan,
near Montalban, Apr 1912.
LUZON: Ifugao (Mt Polis), Rizal (Mt Kanumay; Mt Paminglingan), Laguna (San Antonio).
Habitat preferences and altitudinal ranges not known. Fl. Feb, Mar, Apr, Oct.
Dendrochilum rhombophorum (Reichb.f) Ames, Orchidaceae 3 (1908) 7; --HAe Pedersen et al., Opera
Bot. 130 (1997) 21; --HAe Pedersen, ibid. 131 (1997) 54, Fig. 22; Pl. IB; --Cootes, Orch. Philip. (2001) 106.
--Acoridium rhombophorum (Reichb.f) Ames, Sched. Orchid. 5 (1923) 1; --Ames in Merr., EPFP 1 (1924)
289; --Coelogyne rhombophora Reichb.f., Linnaea 41 (1877) 116. –Type: Wallis sn. (W-Herb. Reichb.f.
20434, holo; iso: NY*). Philippines, locality not known. From the NY sheet, one can see clearly that contrary
to Pedersen’s (1997) citation, the Wallis sheet is an unnumbered collection and that ‘72001’ is most likely
intended for 7200’ [7200ft].
Dendrochilum whitfordii (Rolfe) Pfitzer & Kraenzl. In Engler, Pflanzenreich IV 50 II B 7 (1907) 162; --Acoridium whitfordii Rolfe in A
US*). Luzon: Bataan prov., Mt Mariveles, Lamao River, May 1904.
LUZON: Aurora (mtns NNE of Dingalan), Bataan (Mt Mariveles, Lamao River), Rizal (Mt
Lumutan), Laguna (Majayjay; Mt Banahaw; Lucban), Quezon (Mt Binuang), Albay, MINDANAO:
Surigao del Norte (Lake Mainit). Epiphytic in mossy forests, altitude 500-2500 (-2600) m. Fl.
Mar-Jun.
Dendrochium rotundilabium LO Williams, Bot. Mus. Leafl. 5 (1937) 50; --HAe Pedersen et al., Opera Bot.
130 (1997) 39; --HAe Pedersen, ibid. 131 (1997) 124, Fig. 68. –Type: BS 75814 Edaño (AMES*, holo).
Luzon: Camarines Sur prov., Mt Madooy summit, altitude 2000ft [=610m], 9 Nov 1928.
LUZON: Camarines Sur (Mt Madooy; Mt Potianay), MINDANAO: Agusan del Norte (Mt Hilonghilong).
Epiphytic in (sometimes mossy) forests, altitude 600-1940m. Fl. Apr, Nov.
Dendrochilum saccolabium Kraenzl., in Ann. k. k. Hofmus. Wien 30 (1916) 56; --HAe Pedersen et al., Opera Bot. 130 (19
(2001) 106. –Type: Loher sn/ cult. Hort. Bot. Nymphenb. (type not located). Philippines. No locality data.
Acoridium saccolabium (Kraenzl.) Ames, Sched. Orchid. 5 (1923) 2; --Ames in Merr., EPFP 1 (1924) 289.
LUZON: Rizal, Laguna (Siniloan, Kapatalan; Sta Maria). Epiphytic in forests, altitude 200-335m.
Fl. Sept, Nov-Jan.
Dendrochilum schweinfurthianum (Ames) LO Williams, PJS 80 (1952) 323; --HAe Pedersen et al.,
Opera Bot. 130 (1997) 24; --HAe Pedersen, ibid. 131 (1997) 115, Fig. 62; --Acoridium schweinfurthianum
Ames, Blumea, Suppl. 1 (1937) 73. –Type: BS 48602 Ramos & Edaño (AMES*, holo; iso: K, NY*, US*).
Luzon: Rizal prov., Mt Tokduanbaboy, epiphytic in mossy forest, altitude 1200m, Nov 1926.
LUZON: Rizal (Mt Tokduanbaboy). Fl. Nov. Apparently known only from the type collection.
Dendrochilum simulacrum Ames, Orchidaceae 2 (1908) 92, text cut; --HAe Pedersen et al., Opera Bot. 130
(1997) 24; --HAe Pedersen, ibid. 131 (1997) 116, Fig. 63. –Type: FB 4981 Curran (AMES*, holo; iso: K,
US*). Luzon: Benguet prov., Mt Tonglon [=Mt Sto Tomas], 8 Aug 1906.
Acoridium simulacrum (Ames) Ames, Orchidaceae 7 (1922) 82; --Ames in Merr., EPFP 1 (1924) 289.
LUZON: Benguet (Mt Sto Tomas), Quezon (Lucban). Epiphytic along forest margins on the
summit vicinity at the type locality, altitude c. 1995m. Fl. May & Aug.
Dendrochium smithianum (Ames) LO Williams, PJS 80 (1952) 311; --HAe Pedersen et al., Opera Bot.
130 (1997) 26; --HAe Pedersen, ibid. 131 (1997) 44, Fig. 16; --Cootes, Orch. Philip. (2001) 106; --Acoridium
smithianum Ames, Blumea, Suppl. 1 (1937) 74. –Type: Loher 15129 (AMES, holo). Luzon: Rizal prov., no
further locality data.
LUZON: Rizal (Montalban). Aside from the type, also known from two other collections (Loher
12566a & 13950) possibly rather adjacent to the type locality. Cootes (2001) also includes