Common trees along the margin and openings of high altitude and montane evergreen forests between 1500 and 2400 m.
🗒 Synonyms
| synonym | Rhododendron arboreum var. nilagirica (Zenk.) C. B. Cl. |
| synonym | Rhododendron nilagiricum Zenk. |
🗒 Common Names
| Malayalam |
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| Tamil |
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📚 Overview
Summary
B. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry.
| Attributions | B. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry. |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
Description
Leaf upper side
Inflorescence insertion
Dehisced fruit
Leaf lower side
Inflorescence insertion
Petiole and leaf insertion
Habit
Trees up to 10 m tall.
Trunk & Bark
Bark brownish, fissured; blaze pinkish.
Branches and Branchlets
Branchlets terete, brown tomentose; apical buds covered by imbricate hairy ovate scales.
Leaves
Leaves simple, alternate, spiral, clustered at twig ends; petiole to 2 cm long, canaliculate, glabrous; lamina to 7.5-13 x 3.5-5.5 cm, elliptic-oblong, apex apiculate, base acute to rounded, margin reflexed, coriaceous, glabrous above, furfuraceous beneath; nerves and reticulations impressed above; midrib canaliculate above; secondary nerves ca. 18 pairs; tertiary nerves obscurely visible.
Inflorescence / Flower
Flowers in terminal fascicles or pseudocorymbs, crimson red, zygomorphic.
Fruit and Seed
Capsule woody, oblong, up to 2 cm long, septicidally dehiscing; seeds numerous, minute, ellipsoid, winged.
B. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry.
| Attributions | B. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry. |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
Trees, bark brown, rough, vertically shallowly fissured, flaking off in scales; branchlets stout. Leaves simple, alternate, clustered towards the tip of branchlets, estipulate; petiole 10-20 mm long, stout, tomentose; lamina 3.7-12.7 x 2.5-5 cm, oblong-ovate, oblong-lanceolate or elliptic-oblong, base obtuse or round, apex obtuse, apiculate, margin entire, glabrous above, tomentose beneath; lateral nerves 8-14 pairs, pinnate, prominent, intercostae reticulate, faint. Flowers bisexual, dark crimson or pink, in terminal capitate racemes, rarely solitary or axillary; bracts broad, silky, cauducous; bracteoles linear; calyx lobes 5; corolla urceolate; lobes 5; stamens 10, free; filaments slender; anthers oblong; ovary superior, 5-celled, ovules many; style slender; stigma capitate. Fruit a capsule, oblong, woody; valves at length reflexed; seeds many.
Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
| Attributions | Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
No Data
📚 Nomenclature and Classification
📚 Natural History
Ecology
Common trees along the margin and openings of high altitude and montane evergreen forests between 1500 and 2400 m.
B. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry.
| Attributions | B. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry. |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
No Data
📚 Habitat and Distribution
General Habitat
Shola forests
Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
| Attributions | Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
Description
Global Distribution
Southern Western Ghats
Indian distribution
State - Kerala, District/s: Idukki, Palakkad
Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
| Attributions | Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
Endemic to the Western Ghats- common in Nilgiris, Anamalai and Palani Hills and rarely found in Varushanad Hills.
B. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry.
| Attributions | B. R. Ramesh, N. Ayyappan, Pierre Grard, Juliana Prosperi, S. Aravajy, Jean Pierre Pascal, The Biotik Team, French Institute of Pondicherry. |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
Endemic Distribution
Southern Western Ghats
Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
| Attributions | Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_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
| Attributions | Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
No Data
📚 Uses and Management
📚 Information Listing
References
- Stevenson, Sp. Rhod.15. 1930; Gamble, Fl. Madras 2: 743. 1993 (re. ed); Sasidharan, Biodiversity documentation for Kerala- Flowering Plants, part 6: 263. 2004.
- Rhododendron nilagiricum Zenk., Amer. Sci. Nat. ser. 2. 6: 150. 1836; Gamble, Fl. Pres. Madras 743(523). 1921.
- Rhododendron arboreum J. E. Smith ssp. nilagiricum (Zenk.) Tagg. in Stevenson, Sp. Rhod. 15. 1930; Manilal, Fl. Silent Valley 165. 1988; Sasidh. et al., Bot. Stud. Med. Pl. Kerala 36. 1996; Swarup. et al., Shola For. Kerala 47. 1998; Sasidh., Fl. Periyar Tiger Reserve 219. 1998.
- Rhododendron arboreum J. E. Smith var. nilagirica (Zenk.) Clarke in Hook. f., Fl. Brit. India 3: 466. 1881.
Information Listing > References
- Stevenson, Sp. Rhod.15. 1930; Gamble, Fl. Madras 2: 743. 1993 (re. ed); Sasidharan, Biodiversity documentation for Kerala- Flowering Plants, part 6: 263. 2004.
- Rhododendron nilagiricum Zenk., Amer. Sci. Nat. ser. 2. 6: 150. 1836; Gamble, Fl. Pres. Madras 743(523). 1921.
- Rhododendron arboreum J. E. Smith ssp. nilagiricum (Zenk.) Tagg. in Stevenson, Sp. Rhod. 15. 1930; Manilal, Fl. Silent Valley 165. 1988; Sasidh. et al., Bot. Stud. Med. Pl. Kerala 36. 1996; Swarup. et al., Shola For. Kerala 47. 1998; Sasidh., Fl. Periyar Tiger Reserve 219. 1998.
- Rhododendron arboreum J. E. Smith var. nilagirica (Zenk.) Clarke in Hook. f., Fl. Brit. India 3: 466. 1881.
No Data
🐾 Taxonomy
| Root | Root |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Equisetopsida C. Agardh |
| Order | Ericales Bercht. & J. Presl |
| Family | Ericaceae |
| Genus | Rhododendron |
| Species | Rhododendron arboreum |
| Infraspecies | Rhododendron arboreum nilagiricum (Zenker) Tagg |
📊 Temporal Distribution
📷 Related Observations
