Nervilia simplex var. himachalensis
| Nervilia simplex var. himachalensis | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Epidendroideae |
| Genus: | Nervilia |
| Species: | |
| Variety: | N. s. var. himachalensis
|
| Trinomial name | |
| Nervilia simplex var. himachalensis Chandra, Gogoi, 2024
| |
Nervilia simplex var. himachalensis R.Chandra, K.Gogoi,[1] commonly known as Twin Nervilia is a variety of orchid Nervilia simplex from the NorthWestern Himalayas, Himachal Pradesh, India.[2]
Taxonomy and naming
[edit]Twin nervilia was first formally described in 2024 by Rimjhim Chandra and Khyanjeet Gogoi, who gave this variety the name Nervilia simplex var. himachalensis and published the description in the The Journal of the Orchid Society of India.[2]
The Epithet name is a metonym after the Himachal Pradesh, where the types of the species were collected.[2][3]
Description
[edit]
Twin nervilia is a terrestrial plant with sub globose to ovoid tuber, 2.0–2.5 × 1.8–2.0 cm. Leaf abaxially pale green, adaxially green with fine white reticulate venation, cordate, 2.0–4.5 × 2.0–3.0 cm, slightly fleshy, adaxially sparsely setulose throughout, with 11–13 main veins, base cordate, margin undulate, apex acute; petiole erect, 2–6 cm. Inflorescence erect 4–7 cm long, erect, terete, slender, glabrous, 2-flowered; sheath below the base of flower c. 1.3 cm across; peduncle pale green, with 3–4, tubular, stem clasping sheaths. Floral bract lanceolate, ovate-acuminate at apex. Flower erect, not resupinate, not widely open (semi-closed), 1.5–2.7 cm across. Sepals pale green with faint grey lines, lanceolate, apex acute or acuminate; dorsal sepal c. 2.0 × 0.2 cm, apex acute; lateral sepal is 1.5 × 0.3 cm. Petals white creamy and purple from the apex, narrowly lanceolate, 1.5–2.0 × 0.2–0.4 cm. Lip strongly reflexed above middle, white tinged, purple fringed and white at base, about 2.0 × 0.6 cm when closed, spurless, simpleor 3 lobed, lateral margins erect apical margins irregularly fimbriate, c. 1.5 × 0.6 cm long, lateral margins erect and loosely enclosing column, apical margin irregularly lacerate or fimbriate; lateral lobes (when present) sub-orbicular, small; disk papillose, with3 longitudinal ridges extending from near base almost to apex. Capsule is 2 cm long.[2]
Distribution and habitat
[edit]Nervilia simplex var. himachalensis occurs in the forest of North Western Himalayan range of India, Himachal Pradesh. Growing on the forest floor covered with dry pineneedles of Pinus roxburghii, the Chir pine tree at an altitude around 1500 m.[2]
Etymology
[edit]
The specific epithet refers to the Himachal Pradesh, India from where the plant was collected.[2]
References
[edit]- ^ "Login | Registration | International Plant Names Index".
- ^ a b c d e f Chandra, Rimjhim A.; Gogoi, Khyanjeet (2024-12-30). "Nervilia Simplex var. Himachalensis (Orchidaceae), a New Variety from Himachal Pradesh India" (PDF). The Journal of the Orchid Society of India. 38: 9–13. ISSN 0971-5371.
- ^ "NERVILIA SIMPLEX VAR. HIMACHALENSIS (ORCHIDACEAE), A NEW VARIETY FROM HIMACHAL PRADESH INDIA". Retrieved 2025-04-09.