Pichinia S.Y.Wong & P.C.Boyce
  • Gard. Bull. Singapore 61: 544 (2010) 


Notes: Distribution: Borneo

General Description

Lithophytic mesophytes. Stem creeping to erect. Leaves many together, distichously arranged, each module with prophyll, cataphyll (both long persistent, as long as petiolar sheath) and single foliage leaf; petiole D-shaped, puberulent, petiolar sheath with a long- persistent free ligular portion; lamina oblonceolate, orthotropic to petiole, basally cuneate, apex acuminate with tubular mucro, this short, and soon marcescent and brown, softly chartaceous, adaxially matter pale olive-green, abaxially glaucous; primary lateral veins prominent, pinnate, adaxially sunken, abaxially prominent, secondary venation pinnate, running parallel to primary veins, tertiary venation obscure. Inflorescence solitary, erect; peduncle terete, shorter than petiole; spathe up to 8 cm long; lower spathe ellipsoid, strongly oblique at insertion of spadix/peduncle, sometimes with a ventral triangular gap formed during female anthesis and then closed prior to male anthesis, inflating at female anthesis but remaining constricted at top, lower spathe orifice gaping slightly at male anthesis once spathe limb shed; constriction between upper and lower spathe weakly defined; spathe limb caducous in a single piece; spadix often slightly exceeding spathe at anthesis, or at least equalling, conico-cylindric; female flower zone cylindrical, attenuate distally; pistils ellipsoid-cylindrical, white; stigma overtopping ovary, translucent white; ovary incompletely 2-locular, placenta basal, ovules several, micropylar appendage absent; interpistillar staminodes absent; interstice present, wider than female flower zone, with pistillodes proximally, these smaller than pistil, and staminodes distally, these very similar to stamens; male flower zone short; stamens irregular, crowded, whitish yellow; anthers 2 per flower, oblong to somewhat irregular in shape; pores apical, pollen extruded in strings; appendix present, conic, distally, staminodes crowded, irregular. Infructescence with lower spathe, narrowly campanulate, persistent; fruits berry, crowded, oblongo-globose; seeds ellipsoid, weakly longitudinally striate.

Habitat

Perhumid evergreen forest on limestone, 100-250 m asl.

Distribution

Malaysia, Sarawak, Samarahan, Serian, Pichin.

Distribution Map

 
  • Native distribution
Found in
  • Asia-Tropical Malesia Borneo

  Bibliography

  • 1 Govaerts, R.H.A. (2011). World checklist of selected plant families published update. Facilitated by the Trustees of the Royal Botanic Gardens, Kew.
  • 2 Boyce, P.Charles & Wong, S.Yeng Studies on Schismatoglottideae (Araceae) of Borneo X. Pichinia, a New Genus from Sarawak, Malaysian Borneo. Gardens' Bulletin. Singapore 61, 548 (2010).

 Information From

CATE Araceae
http://araceae.e-monocot.org
Haigh, A., Clark, B., Reynolds, L., Mayo, S.J., Croat, T.B., Lay, L., Boyce, P.C., Mora, M., Bogner, J., Sellaro, M., Wong, S.Y., Kostelac, C., Grayum, M.H., Keating, R.C., Ruckert, G., Naylor, M.F. and Hay, A., CATE Araceae, 14 Dec 2011 . 17 Dec 2011.
  • A All Rights Reserved
eMonocot
http://e-monocot.org
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from http://e-monocot.org.
  • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
World Checklist of Selected Plant Families
http://apps.kew.org/wcsp/
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/ Retrieved 2011 onwards
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