Wild orchids in sumatra: Eurycaulis singalanensis (Kraenzl.) M.A.Clem., 2003

Dendrobium singalense named by Kraenzl. from name Mount. Singgalang in west sumatra. The characteristic is the plant have biflora. Flower soft white (albi teneri), labellum with apex emarginate. Sepals and petals lanceolate acute. Mentum cylindris form.

Our specimen collected from west sumatra and flowering on 04 November 2012. Capture by Mr. Sonny Agus Sumarsono.

This orchid soft fragrant, the smell like Ceraia crumenata, but soft scented.

Homotypic Synonyms:
Dendrobium singalanense Kraenzl. in H.G.A.Engler (ed.), Pflanzenr., IV, 50 II B 21: 167 (1910).
Eurycaulis singalanensis (Kraenzl.) M.A.Clem., Telopea 10: 288 (2003).

Sixth day bloom

Two flowers start rotten

Fifth day bloom

Eurycaulis singalanensis (Kraenzl.) M.A.Clem.

Fourth day bloom

Eurycaulis singalanensis (Kraenzl.) M.A.Clem.

Third day bloom
The fragrant scented more stronger in third day bloom.

Eurycaulis singalanensis (Kraenzl.) M.A.Clem.

Second day bloom

Eurycaulis singalanensis (Kraenzl.) M.A.Clem.

First day bloom

Eurycaulis singalanensis (Kraenzl.) M.A.Clem.

Mentum. Flores biflorii.

Eurycaulis singalanensis (Kraenzl.) M.A.Clem.

Biflori in superiore parte caulis

Basionym
H.G.A.Engler (ed.), Pflanzenr., IV, 50 II B 21: 167 (1910).

Distribution:
Sumatera
42 SUM

Lifeform:
Pseudobulb epiphyte

Examination

Labellum with lighting exposure

Labellum ventrum

Labellum dorsum

Labellum dimidium totius longitudinis aequante e basi sensim dilatatum, cuneatum, antice latissimum, emarginatum (si mavis longe latique spathualatum) discus omnino nudus.