Skip to main content

Lady Susan's orchid (Pecteilis susannae)

Dlium Lady Susan's orchid (Pecteilis susannae)

Lady Susan's orchid (Pecteilis susannae) is a plant species in the Orchidaceae, a large to giant terrestrial orchid, growing upright, white flowers and large in karst to limestone landscapes and flowering December-January.

P. susannae has an erect, thick, leafy stem with a basal sheath and is oval in shape with a pointed tip and has no stalk.





Large flowers, stalks and ovaries 4-6 cm, shallow wings and hairless. Dorsal sepals erect, ovate to globose, 2.5-3 x 2-2.8 cm, blunt end rounded. Lateral sepals spread, broadly ovoid, slightly oblique, 2.5-4 x 1.2-2.2 cm, usually slightly longer than the dorsal sepals and blunt apex.

Calyx linear lance-shaped, 7-12 x 2.5 mm, lip irregularly ovate and 2.5-4.0 x 2.5-4.4 cm. Lateral lobes broad, subflabellate, 1.6-2.2 x 1.8-2.4 cm, entire lateral margin, apical margins frayed torn, Mid-lobe linear-oblong, 18-30 x 4-6 mm, moderately fleshy and intact. Straight to gradually curved forward, 6-13 cm x 3-5 mm and pointed end.

TAXON

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Liliopsida
Order: Asparagales
Family: Orchidaceae
Subfamily: Orchidoideae
Tribe: Orchideae
Subtribe: Orchidinae
Genus: Pecteilis Raf. in Fl. Tellur. 2: 37 (1837)
Species: Pecteilis susannae (L.) Raf. in Fl. Tellur. 2: 38 (1837)

HOMOTYPIC SYNONYMS

Habenaria susannae (L.) R.Br. ex Spreng. in Syst. Veg., ed. 16. 3: 692 (1826)
Hemihabenaria susannae (L.) Finet in Rev. Gén. Bot. 13: 532 (1902)
Orchis susannae L. in Sp. Pl.: 939 (1753)
Platanthera susannae (L.) Lindl. in Gen. Sp. Orchid. Pl.: 295 (1835)

HETEROTYPIC SYNONYMS

Habenaria susannae Blume in Bijdr. Fl. Ned. Ind.: 402 (1825)
Platanthera robusta Lindl. in Gen. Sp. Orchid. Pl.: 295 (1835)
Platanthera susannae var. brevicalcarata Vuijk in Orchideeën 27: 132 (1965

PUBLICATIONS

Averyanov, I. (2010). The orchids of Vietnam illustrated survey part 2 subfamily Orchidoideae. Turczaninowia 13: 5-98.

Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.

Lucksom, S.Z. (2007). The orchids of Sikkim and North East Himalaya: 1-984. S.Z.Lucksom, India.

Misra, S. (2004). Orchids of Orissa: 1-774. Bishen Singh Mahendra Pal Singh, Dehra Dun.

Ormerod, P. (2017). Checklist of Papuasian Orchids: 1-494. Nature & Travel Books, Australia.

Ormerod, P., Kurzweil, H. & Watthana, S. (2021). Annotated List of Orchidaceae for Myanmar. Phytotaxa 481: 1-262.

Pedersen, H.Æ., Kurzwell, H., Suddee, S. & Cribb, P.J. (2011). Flora of Thailand 12(1): 1-302. The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok.

Raskoti, B.B. (2009). The Orchids of Nepal: 1-252. Bhakta Bahadur Raskoti and Rita Ale.

Silveira, P., Schuiteman, A., Vermeulen, J.J., Sousa, A.J., Silva, H., Paiva, J. & De Vogel, E. (2008). The orchids of Timor: checklist and conservation status. Botanical Journal of the Linnean Society 157: 197-215.

Wu, Z. & Hong, D. (eds.) (2009). Flora of China 25: 1-570. Missouri Botanical Garden Press, St. Louis.

VERNACULAR NAME

English: Lady Susan's Orchid, Lady Susan, Susan orchid, Susanna's egret flower
Indonesian: Anggrek susana, Anggrek Kupu-kupu, Anggrek bangau
Java: Anggrek kuntul

Aryo Bandoro
Dlium TheDlium
Web: https://www.dlium.com
YouTube: https://www.youtube.com/@Dlium
Labels:

Popular Posts

Screw tree (Helicteres isora)

Screw tree ( Helicteres isora ) is a species of plant in the Malvaceae family. It is a shrub or small tree, up to 8 meters tall. It has gray bark and alternate leaves, up to 22 cm long and 17 cm wide, oval in shape, with serrated edges and hairs. The flowers are red or white and reach a total length of 5.5 cm. The fruit is green when unripe, brown or gray when dry, twisted, spiral-shaped, and pointed at the tip. The seeds are black or brown, shiny, and diagonal, triangular, or rectangular. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Malvales Family: Malvaceae Subfamily: Helicteroideae Tribe: Helictereae Genus: Helicteres Pluk. ex L. in Sp. Pl.: 963 (1753) Species: Helicteres isora L. in Sp. Pl.: 963 (1753) HETEROTYPIC SYNONYMS Helicteres baruensis var. ovata DC. in Prodr. 1: 476 (1824) Helicteres chrysocalyx Miq. ex Mast. in J.D.Hooker, Fl. Brit. India 1: 365 (1874) Helicteres corylifolia Buch.-Ham. ex Dillwyn in Rev. Hortus Malab....
Read more

Red lip (Syzygium myrtifolium)

Pucuk merah or daun pucuk merah or red lip ( Syzygium myrtifolium ) is a plant species in the Myrtaceae, a medium tree with a cylindrical trunk and produces cambium, up to 5 meters high, bark rough and light brown, many branches and strong roots. S. myrtifolium has oval-shaped leaves, pointed tip and base, up to 7 cm long, up to 2 cm wide, a vein in the middle, flat margins, shiny surface, bright red leaf buds and will turn green over time. The flowers are compound and arranged in panicles. The flowers bloom with a stigma in the center and are white. The fruit is round and up to 1 cm in diameter, the middle of the upper surface has a depression and is shiny black when ripe. This species grows in forests, agricultural land, roadsides and abandoned lands. This tree has a root structure that goes deep into the ground and is sturdy so it is often used to rehabilitate land, prevent landslides and store water reserves. This tree has a greater ability to absorb CO2 than other types of pla...
Read more

Breng (Coldenia breng)

Breng ( Coldenia breng ) is a species of plant in the Boraginaceae family. It is a herbaceous plant that grows along the ground, with radial, cylindrical stems, red, multi-branched, alternate, and white-haired. C. breng has alternate leaves along the stem, oval to nearly round, up to 2.5 cm long, up to 1.5 cm wide, and white-haired. This plant grows in floodplains, seasonally inundated riverbanks, and drying rice fields. It thrives in sandy or silty soils and is drought-tolerant. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Boraginales Family: Boraginaceae Subfamily: Cordioideae Genus: Coldenia L. in Sp. Pl.: 125 (1753) Species: Coldenia breng Aryo Bandoro Dlium TheDlium YouTube: https://www.youtube.com/@Dlium
Read more