Table 2.

Differences between Tainiophyllum xizangense, T. stella and T. radiatum.

Characters	Taeniophyllum xizangense	T. stella	T. radiatum
Roots in diam.	1.5–2.0 mm	0.5 mm	2.5–3.5 mm
Inflorescences	6.0–16.0 mm long, 1–3-flowered, densely short-bristly hairs	4.0–8.0 mm long, many flowered, muriculate	5.0–6.0 mm long, many flowered, papillosa
Bracts	ca. 2.0 mm, densely short-bristly hairs	ca. 0.7 mm, minutely muriculate	ca. 0.7 mm, minutely muriculate
Flowers	yellowish green	pale yellowish white to bright yellow or salmon pink	pale orange or pale salmon pink
Sepals	10.0 × 1.5 mm, externally with papillae	5.5 × 1.0 mm, externally without papillae	5.8–7.6 × 1.0–1.3 mm, externally without papillae
Petals	ca. 8.0 × 1.8 mm	ca. 5.5–7.5 × 1.0–0.75 mm	ca. 5.0 × 0.9 mm
Labellum	10.0–11.0 × ca. 1.7 mm, with an inflexed spine at the tip, disk without keel	ca. 7.0 × 1.8 mm, without spine at tip, keeled in the disk	ca. 5.5–8.0 × 1.3 mm, with an inflexed spine at the tip, disk without keel
Pollinia	ovoid	pyriform	oblique obovoid
Viscidium	triangular-ovate, 0.9 mm	oval	lanceolate, 0.7 mm