DOI: 10.5061/dryad.qp50f
title: Data from: Taxonomic notes on the genus Piper (Piperaceae)

description: Sixteen lectotypifications of Asian Piper species are provided. Piper
 argyrites, P. baccatum, P. leptostachyum, P. majusculum, P. peepuloides,
 P. quinqueangulatum and P. sulcatum are accepted as species and many new
 synonyms are proposed. Useful diagnostic characters are described and
 geographical distribution data of each species are provided.
description: Fig 1Type specimens of Piper
 species; (A) Piper argyrites Ridl. ex. C.DC, Ridley 8176 (K), (B) Piper
 baccatum Blume, Blume 624 (L), (C) Piper leptostachyum Wall. ex Miq.,
 Wallich 6649 (K-W), (D) Piper majusculum Blume, Blume s.n.
 (L).Fig 2Figure 2. Type specimens
 of Piper species (A) Piper peepuloides Roxb., Wallich 6650A (U), (B-1)
 Chavica neesiana Miq., (B-2) Chavica sphaerostachya Miq., Wallich 6656
 (U), (C) Piper quinqueangulatum Miq. Zollinger 1233 (P), (D) Piper
 sulcatum Blume, Blume s.n. (L).Fig 3 P.
 argyritesFigure 3. Piper
 argyrites Ridl. ex C.DC. (A) branch with an infructescence, (B) male
 inflorescence, (C) female inflorescence, (D) a portion of male
 inflorescence, (E) stamen, (F) floral bract (top view), (G) a portion of
 female inflorescence, (H) ovary (C. Suwanphakdee 246♂ & C.
 Suwanphakdee 247♀ (BK, BKF, KKU and QBG)). — Drawn by O.
 Kerdkaew.Fig 4 P.
 baccatumFigure 4. Piper baccatum
 Blume (A) branch with infructescences, (B) male inflorescence, (C) female
 inflorescence, (D) a portion of male inflorescence, (E) male flower, (F)
 stamen, (G) a portion of female inflorescence, (H) ovary (C. Suwanphakdee
 211♀ (BK, BKF and QBG), C. Suwanphakdee 285♂ (BKF)). — Drawn by O.
 Kerdkaew.Fig 5 P.
 leptostachyFigure 5. Piper
 leptostachyum Wall. ex Miq. (A) branch with a female inflorescence, (B) a
 portion of male inflorescence, (C) floral bracts (front and back views),
 (D) stamen, (E) infructescence (C. Suwanphakdee 464♀ (BK, BKF, KKU &
 QBG), C. Suwanphakdee 465♂ (BKF, KKU and QBG)). — Drawn by L.
 Loe-Khachon.Fig 6 P.
 majusculumFigure 6. Piper
 majusculum Blume (A) branch with an infructescence, (B) female flower,
 (C-D) floral bract (side & top views) (C. Suwanphakdee 54♀ (BK, BKF
 and KKU). — Drawn by P. Inthachub.Fig 7 P.
 peepuloidesFigure 7. Piper
 peepuloides Roxb. (A) branch with an infructescences, (B) floral bract,
 (C) fruit (P. Srisanga 2249♀ (QBG)).— Drawn by O.
 Kerdkaew.Fig 8 P.
 quinqueangulatumFigure 8. Piper
 quinqueangulatum Miq. (A) branch with infructescences, (B) fruits &
 female flowers (C. Niyomdham 5332♀ (BKF and K)).— Drawn by O.
 Kerdkaew.Fig 8 P.
 quinquean.tiffFig 9 P.
 sulcatumFigure 9. Piper sulcatum
 Blume (A) branch with inflorescences,(B) a portion of female
 inflorescence, (C) ovary, (D) a portion of male inflorescence, (E) stamen,
 (F-G) floral bract (top & side views), (H) infructescences (C.
 Suwanphakdee 53♀ (BK, BKF and KKU) and C. Suwanphakdee 280♂ (BKFand QBG)).
 — Drawn by L. Loe-Khachon.Fig 10Figure 10. Piper
 argyrites Ridl. ex C.DC. (A) young leaves, (B) male inflorescence, (C)
 female inflorescence, (D) floral bract, (E) a portion of male
 inflorescence, (F) a portion of infructescence, (G) infructescence, Piper
 baccatum Blume (H) male inflorescence, (I) a portion of male
 inflorescence, (J) female flower, (K) male flower, (L) infructescence
 (photo by C. Suwanphakdee).Fig 11Figure 11. Piper
 leptostachyum Wall. ex Miq. (A) habit, (B) female inflorescence, (C) male
 inflorescence, (D) a portion of female inflorescence, (E) a portion of
 male inflorescence, (F) infructescences, (G) fruits, Piper majusculum
 Blume (H) branch with inflorescence, (I) a portion of infructescence
 (photo by C. Suwanphakdee).Fig 12Figure 12. Piper
 quinqueangulatum Miq. (A) habit, (B) male inflorescence, (C) female
 inflorescence, (D) infructescence, (E) fruits, Piper sulcatum Blume (F)
 female inflorescence, (G) a portion of female inflorescence, (H)
 infructescence (photo by C. Suwanphakdee).