Nepenthes adrianii

Nepenthes adrianii


Nepenthes adrianii J.Bartoro & A.Wartono in Ind. J. Pl. Sci. 6(1): 14-15, fig. 1. 2017 [The specific epithet refers to Adrian, an Indonesian Nepenthes observer and enthusiasm.C]. sec. Batoro & Wartono 2017 wfo-0001302723
      Indonesian, Central Java, Purwokerto, Baturaden, Slamet Mountain, Adrian 1 & 2 (Holotype H. Bio Unibraw, Isotype BO).


Epiphytic. Climbing 30 cm-2 m in length, woody-herbaceous, green to orange-red, 0.6-0.8 in diameter, internodes 1-9 cm long, terete-triangular. Stem of the basic terete-triangular 5-9.7 mm diameter, internodes 1-9 cm long. Climbing terete and slightly angular, 0.6-0.8 cm in diameter, part of this stem which angular formed midrib, covered like tomentose internode 2.5-9 cm long, green to orange-red, covered with field like tomentose. Leaves: coriaceous, sessile, lanceolate-spathulate to oblanceolate 15-24 cm by 3-5 cm, apex acute, acuminate, cordate at the base, clasping and decurent the stem for 2/3 its diameter, margin integer, indumentum glabrous or density pubescent hairs. Midrib large, terete on below and flattened on the upper, red to pink, longitudinal veins 4-5 on each side of the midrib, pinnate veins reticulate and inconspicuous; apex obtuse-rounded, margin entire. Tendril insertion usually sub-apical 5-21 cm long, 1-4 mm in diameter, terete green and orange-red less or more long as the leaf, curved downwards. Rosettes and lower pitcher: shortly incurved at the base, ovate, conical to wards, the mouth or more ellipsoidal with two fringed wings 2-4 mm wide, running from top to bottom, the fringed segments filiform 3-6 mm long green pink, glandular region cavers ellipsoid portion of the inner surface. Mouth round oblique rounded to elliptic, peristome cylindrical or slightly exponded 1.5 cm wide. Teach distinct papery and spear shaped, variable in length. Lids ovate to orbicular cordate at the base 4.5 by 3.2 cm, apex rounded, green to pink with appendage. Near the base lid with the collum biggest red near base lid. Spur dorsiventraly flattened 0.6 mm by 1 mm long, divided into 3-4 apex branched acute. Upper pitcher: Tendril more long than leaf and pitcher, shortly incurved from the longing, tendril, 15-16 by 3-4 cm, rounded at the base, ovate conical to wards. The mouth ellipsoidal the well developed. Lower 0.3-0.5 cm ovoid contracted at the hipe, cylindrical above, wings reduced to rib, to short wings 16 cm-1 mm, but sometimes a few fringe elements persistence. Colour of pitcher reddish green to purple. Glandular zone, small spread in the central and the margin to midrib lid. Inflorescence: a raceme 22 cm long, peduncle 16 cm long 0.2-0.5 mm in diameter opposite the leaf, green, smooth, mostly thicker belows, rachis 7-7.5 cm long. Partial peduncles with one flower has lower pedicels 1.5-2 cm long, terete. Upper pedicles 0.5-1 cm long terete without bracteole, covered dense pubescent white hairs. Tepal 4-5 orbicular-oblong-linear 5 by 2 mm united in base, apex obtuse to acute, covered pubescent white hairs, sometimes tepals reduction. Staminal collum orbicular with for angular 1 cm by 6 mm more long than tepal. The anthers included, which are situated in one whorl and an apical group.A


May be a synonym of Nepenthes spathulata Danser. B

Distribution (General)

Indonesia, Central Java Province, Slamet Mountain region in the Baturaden Purwokerto.A


Extrem epiphytes in lower to highest mountain forest; 950-2000 m a.s.l.A


A. Batoro, J. & Wartono, A. 2017: Review status the Nepenthes (Nepenthaceae) from Java Indonesia. – Indian Jorunal of Plant Sciences 6(1): 12-16
B. Berendsohn, W. G. & al. 2018: Using the EDIT Platform for Cybertaxonomy to prepare and publish a treatment for the Caryophyllales Network: an online synthesis of the Nepenthaceae. – Willdenowia 48: 335-344.


CountryDateCollector + collecting numberHerbariaTypeScanDerivatives
Indonesian, Central Java, Purwokerto, Baturaden, Slamet Mountain, Adrian 1 & 2 (Holotype H. Bio Unibraw, Isotype BO).
Citation: Indonesian, Central Java, Purwokerto, Baturaden, Slamet Mountain, Adrian 1 & 2 (Holotype H. Bio Unibraw, Isotype BO).