Species Information - Styloglossum hololeucum

Styloglossum hololeucum (Rchb.f.) T.Yukawa & P.J.Cribb, Bull. Natl. Mus. Nat. Sci., ser. B, 40(4) (2014) 148

Type: Seemann 607 (holo W 42047; iso K)

Synonyms:

• Calanthe hololeuca Rchb.f. in Seem., Fl. Vitiensis (1868) 298
• Calanthe neohibernica Schltr. in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 142
  - Type: Schlechter 14707 (holo B, lost)
• Calanthe vaupeliana Kraenzl., Notizbl. Bot. Gart. Berlin-Dahlem 5 (1909) 111
  - Type: Vaupel 358 (holo B, lost; iso AMES, K)
• Calanthe neocaledonica Rendle, J. Linn. Soc., Bot. 45 (1921) 251, pl. 13 fig. 8
  - Type: Compton 1409 (syn BM); 1609 (syn BM)

Roots elliptic, filiform, flexuose, tomentose. Stem 3-4-leaved. Leaves erect, linear-lanceolate, 60 by 2.5 cm, gradually narrowing to the petiole, plicate, apex acuminate. Inflorescences racemose, erect, 45 cm long; rachis 7 cm long, rather densely several to many-flowered. Floral bracts lanceolate, longer than the ovary, apex acuminate. Pedicel and ovary 1 cm long, clavate. Dorsal sepal lanceolate-oblong, 0.9 cm long, apex acuminate. Lateral sepals obliquely lanceolate-oblong, 0.9 cm long, slightly narrower than the median sepal, apex acuminate. Petals obliquely lanceolate, somewhat widened in the middle along the posterior margin, 0.8 cm long, apex acuminate. Lip 3-lobed, clawed, spurred, 0.8 by 0.4 cm including the 0.3 cm long, linear claw, which is provided with two longitudinal ridges; lateral lobes small, obliquely ovate-lanceolate, acute, mid-lobe much larger, oblong, shortly acuminate; spur subcylindric, 0.4 cm long, acute. Column short, along its margins adnate to the claw of the lip. Anther ovate, in front acuminate.
(After Schlechter, 1905, as C. neohibernica Schltr.).

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