Octomeria R. Brown 1813
Creators: name: Santos, Thiago Faria Dos
name: Brito, Antonio Luiz Vieira Toscano De
name: Smidt, Eric De Camargo
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Liliopsida
Asparagales
Orchidaceae
Octomeria

description: Identification key to Octomeria imigiae and similar species from the Atlantic Rainforest.
1. Leaves flat when mature.....................................................................................................................................................................2
- Leaves cylindrical when mature.........................................................................................................................................................4
2. Leaves linear; flowers yellow; obovate lip.................................................................................................................... O. linearifolia
- Leaves oblong to elliptical; flowers white or yellow with purple spot on lip; sub-rhombic lip.........................................................3
3. Sepals connate up to half of its length............................................................................................................................. O. rubrifolia
- Sepals free ..................................................................................................................................................................... O. ochroleuca
4. Lip margin fimbriated.........................................................................................................................................................................5
- Lip margin entire ................................................................................................................................................................................6
5. Lip margin slight fimbriated................................................................................................................................................... O. rohrii
- Lip margin strongly fimbriated...................................................................................................................................... O. lichenicola
6. Flowers with sepals and petals acuminate..........................................................................................................................................7
- Flowers with sepals and petals obtuse or slightly acute.....................................................................................................................9
7. Flowers yellow with red nerves and purple spots on lip; lip obovate, rarely oblong............................................. O. chamaeleptotes
- Flowers white with purple stained lip; lip oblong, obovate or strongly ovate ...................................................................................8
8. Lip orbicular; lateral sepals base juxtaposed.................................................................................................................... O. cucullata
- Lip orbicular or strongly ovate; lateral sepals base separated................................................................................. O. octomeriantha
9. Plant 45–186 mm long; cespitose growth; lip median lobe oblong or obovate .................................................................. O. gracilis
- Plant 25–62 mm long; reptant growth; lip median lobe sub-rhombic................................................................................. O. imigiae
description: Published as part of Santos, Thiago Faria Dos, Brito, Antonio Luiz Vieira Toscano De & Smidt, Eric De Camargo, 2022, A new Octomeria (Orchidaceae: Pleurothallidinae) and nomenclatural notes for related Southern Brazilian species, pp. 275-282 in Phytotaxa 572 (3) on page 280, DOI: 10.11646/phytotaxa.572.3.6, http://zenodo.org/record/7322242