Species Information - Dendrobium vexillarius var. hansmeyerense

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Dendrobium vexillarius var. hansmeyerense

Dendrobium vexillarius J.J.Sm. var. hansmeyerense Howcroft &:. Takeuchi, Sida 20 (2002) 462, fig.

Type: W Takeuchi & ].Wiakabu 9453 (holo LAE).

Lateral sepals prominently crested on the abaxial side of the lateral sepals.

Habitat:

Pristine montane forest. Altitude1800 m.

Distribution:

Malesia (New Guinea), endemic.

Distribution New Guinea:

Papua New Guinea (New Ireland Prov.), endemic.

Cultivation:

Cool growing epiphyte.

Flowering time in the wild:

February.

Classification:

Family Orchidaceae
Subfamily Epidendroideae
Tribe Dendrobieae
Subtribe Dendrobiinae
Genus Dendrobium
Section Calyptrochilys
Species Dendrobium vexillarius
Variety Dendrobium vexillarius var. hansmeyerense

Notes:

Keels are sometimes present among the varieties of D. vexillarius bu t they are not prominent.

Dendrobium vexillarius var. hansmeyerense is similar to D. brevicaule Rolfe ssp. pentagonum, the only other taxon with a prominent abaxial keel, but the ovary has a very different shape in cross-section.

Dendrobium vexillarius var. hansmeyerense

Dendrobium vexillarius J.J.Sm. var. hansmeyerense Howcroft &:. Takeuchi, drawing by Neville Howcroft in Sida 20 (2002) 462, fig., after the holotype: W Takeuchi & ].Wiakabu 9453