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Drypetes wightii (Hook.f.) Pax & K.Hoffm.

Accepted
Petiole and leaf insertion
Flower insertion
Leaf lower side
🗒 Synonyms
synonymHemicyclia wightii Hook.f.
🗒 Common Names
Malayalam
  • Vellakasavu
Other
  • Vellakasavu
📚 Overview
Overview
Summary
Rare understorey trees in evergreen forests between 900 and 1500 m.
B. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry.
AttributionsB. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry.
Contributors
ayyappan Narayanan
StatusUNDER_CREATION
LicensesCC_BY
References
    Brief
    Flowering class: Dicot Habit: Tree
    Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
    AttributionsDr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
    Contributors
    StatusUNDER_CREATION
    LicensesCC_BY
    References
      Diagnostic Keys
      Description
      Bark greyish-white, smooth; branches drooping; branchlets terete, glabrous. Leaves simple, alternate; stipules small, lateral, caducous; petiole 2-8 mm long, stout, glabrous; lamina 4-10.5 x 1.5-3.5 cm, elliptic, elliptic-oblong or elliptic-lanceolate, base oblique or acute, apex acuminate, margin entire, glabrous, coriaceous; lateral nerves 6-9 pairs, pinnate, prominent; intercostae reticulate, prominent. Flowers unisexual, yellowish, in axillary clusters or in the axils of fallen leaves; male flowers: pedicels 3-5 mm long, puberulous; tepals 4-5, 3 x 2-2.5 mm, broadly elliptic to suborbicular, tomentellous outside; stamens 6-10, 1-1.5 mm long; filaments free; anthers oblong; disc entire, pubescent; female flowers: pedicels 4-5 mm long, puberulous; tepals 4-5, 3-4 × 2.5-3.5 mm, suborbicular, tomentellous outside; disc annular; ovary 2 x 1 mm, ellipsoid, 1-locular, ovules 2, sparsely puberulous to glabrous; stigma reniform. Fruit a capsule 17-20 x 15 mm, ovoid, ellipsoid or obovoid, smooth, glabrous; pedicels 10-12 mm long.
      Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
      AttributionsDr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
      Contributors
      StatusUNDER_CREATION
      LicensesCC_BY
      References
        Habit

        Trees up to 12 m tall.

        Branches and Branchlets

        Branchlets terete, glabrous.

        Leaves

        Leaves simple, alternate, distichous; petioles 0.2-0.6 cm long, glabrous; lamina 4-9 x 1.5-3.5 cm, elliptic, apex acuminate, base slightly asymmetric, margin entire, subcoriaceous, glabrous, pale greenish to brown when dry; midrib flat above; secondary nerves 6-9 pairs; tertiary nerves admedially ramified.

        Inflorescence / Flower

        Flowers unisexual; male flowers axillary clusters; female flowers axillary, solitary.

        Fruit and Seed

        Drupe, ovoid to ellipsoid 1.7-2 x 1.5 cm, smooth, glabrous; 1-seeded.

        B. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry.
        AttributionsB. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry.
        Contributors
        StatusUNDER_CREATION
        LicensesCC_BY
        References
          Habit: Tree
          G. Renu, Sanjana Julias Thilakar, D. Narasimhan, Centre for Floristic Research, Department of Botany, Madras Christian College, Tambaram
          AttributionsG. Renu, Sanjana Julias Thilakar, D. Narasimhan, Centre for Floristic Research, Department of Botany, Madras Christian College, Tambaram
          Contributors
          StatusUNDER_CREATION
          LicensesCC_BY
          References
            No Data
            📚 Natural History
            Cyclicity
            Flowering and fruiting: October-March
            Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
            AttributionsDr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
            Contributors
            StatusUNDER_CREATION
            LicensesCC_BY
            References
              Morphology

              Growth Form

              Tree
              Tree
              Ecology
              Rare understorey trees in evergreen forests between 900 and 1500 m.
              B. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry.
              AttributionsB. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry.
              Contributors
              StatusUNDER_CREATION
              LicensesCC_BY
              References
                Miscellaneous Details
                Notes: Evergreen Forests. Endemic to Southern Western Ghats
                G. Renu, Sanjana Julias Thilakar, D. Narasimhan, Centre for Floristic Research, Department of Botany, Madras Christian College, Tambaram
                AttributionsG. Renu, Sanjana Julias Thilakar, D. Narasimhan, Centre for Floristic Research, Department of Botany, Madras Christian College, Tambaram
                Contributors
                StatusUNDER_CREATION
                LicensesCC_BY
                References
                  No Data
                  📚 Habitat and Distribution
                  General Habitat

                  Habitat

                  Terrestrial
                  Terrestrial
                  Evergreen forests
                  Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
                  AttributionsDr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
                  Contributors
                  StatusUNDER_CREATION
                  LicensesCC_BY
                  References
                    Description
                    Global Distribution

                    Southern Western Ghats

                    Indian distribution

                    State - Kerala, District/s: Palakkad, Idukki, Wayanad

                    Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
                    AttributionsDr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
                    Contributors
                    StatusUNDER_CREATION
                    LicensesCC_BY
                    References
                      Endemic to the Western Ghats- Anamalai and south Nilgiris.
                      B. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry.
                      AttributionsB. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry.
                      Contributors
                      StatusUNDER_CREATION
                      LicensesCC_BY
                      References
                        Kerala: Idukki, Palakkad, Wynad Tamil Nadu: Coimbatore
                        G. Renu, Sanjana Julias Thilakar, D. Narasimhan, Centre for Floristic Research, Department of Botany, Madras Christian College, Tambaram
                        AttributionsG. Renu, Sanjana Julias Thilakar, D. Narasimhan, Centre for Floristic Research, Department of Botany, Madras Christian College, Tambaram
                        Contributors
                        StatusUNDER_CREATION
                        LicensesCC_BY
                        References
                          Endemic Distribution
                          Southern Western Ghats
                          Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
                          AttributionsDr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
                          Contributors
                          StatusUNDER_CREATION
                          LicensesCC_BY
                          References
                            No Data
                            📚 Occurrence
                            No Data
                            📚 Demography and Conservation
                            Conservation Status
                            Vulnerable
                            Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
                            AttributionsDr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
                            Contributors
                            StatusUNDER_CREATION
                            LicensesCC_BY
                            References
                              No Data
                              📚 Uses and Management
                              📚 Information Listing
                              References
                              1. Drypetes wightii (Hook. f.) Pax & Hoffm. in Engl., Pflanzenr. Euphorb.-Phyllanthoid.-Phyllanth. 273. 1922; Sasidh. et al., Bot. Stud. Med. Pl. Kerala 23. 1996; Sasidh. & Anto in Manoharan et al., Silent Valley-Whispers Reason 139. 1999; Sasidh., Fl. Periyar Tiger Reserve 371. 1998; Chakrab. et al., Journ. Econ. Tax. Bot. 21: 277. 1997; Sasidh., Fl. Parambikulam WLS 288. 2002; N.P.Balakr. & Chakrab., Fam. Euphorbiaceae India 334. 2007; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 735. 2009.
                              2. Hemicyclia wightii Hook. f., Fl. Brit. India 5: 339. 1887; Gamble, Fl. Pres. Madras 1300(909). 1925.
                              1. Flora of Tamil Nadu, VOL. II, 1987
                              Information Listing > References
                              1. Drypetes wightii (Hook. f.) Pax & Hoffm. in Engl., Pflanzenr. Euphorb.-Phyllanthoid.-Phyllanth. 273. 1922; Sasidh. et al., Bot. Stud. Med. Pl. Kerala 23. 1996; Sasidh. & Anto in Manoharan et al., Silent Valley-Whispers Reason 139. 1999; Sasidh., Fl. Periyar Tiger Reserve 371. 1998; Chakrab. et al., Journ. Econ. Tax. Bot. 21: 277. 1997; Sasidh., Fl. Parambikulam WLS 288. 2002; N.P.Balakr. & Chakrab., Fam. Euphorbiaceae India 334. 2007; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 735. 2009.
                              2. Hemicyclia wightii Hook. f., Fl. Brit. India 5: 339. 1887; Gamble, Fl. Pres. Madras 1300(909). 1925.
                              3. Flora of Tamil Nadu, VOL. II, 1987
                              No Data
                              📚 Meta data
                              🐾 Taxonomy
                              📊 Temporal Distribution
                              📷 Related Observations
                              👥 Groups
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