- Family:
- Cycadaceae Pers.
Cycas L.

[FTEA]
Gymnospermae, R. Melville. Flora of Tropical East Africa. 1958
- Morphology General Habit
- Shrubs or trees with simple, rarely branched, trunks clothed with woody leaf bases and bearing a crown of pinnate leaves
- Morphology Leaves
- Leaflets linear, entire, 1-nerved
- sex Male
- Scales of the male cones wedge-shaped, often long acuminate, closely imbricate, with ellipsoid pollen-sacs in groups of 3–5 on the lower surface
- Morphology Reproductive morphology Cones
- Female blades crowded round the stem apex, densely woolly at first, later spreading, elongated, widening upwards, with 1–5 pairs of erect ovules in marginal notches Scales of the male cones wedge-shaped, often long acuminate, closely imbricate, with ellipsoid pollen-sacs in groups of 3–5 on the lower surface
- sex Female
- Female blades crowded round the stem apex, densely woolly at first, later spreading, elongated, widening upwards, with 1–5 pairs of erect ovules in marginal notches
- Morphology Reproductive morphology Seeds
- Seeds ellipsoid or globose.
Native to:
Aldabra, Andaman Is., Assam, Bangladesh, Bismarck Archipelago, Borneo, Cambodia, Caroline Is., China South-Central, China Southeast, Christmas I., Comoros, East Himalaya, Fiji, Gilbert Is., Hainan, Haiti, India, Japan, Jawa, Kenya, Laos, Lesser Sunda Is., Madagascar, Malaya, Maluku, Marianas, Marshall Is., Mozambique, Myanmar, Nansei-shoto, Nepal, New Caledonia, New Guinea, Nicobar Is., Northern Territory, Philippines, Queensland, Samoa, Solomon Is., Sri Lanka, Sulawesi, Sumatera, Taiwan, Tanzania, Thailand, Tonga, Tuvalu, Vanuatu, Vietnam, Western Australia
Introduced into:
Alabama, Mauritius, Niue, Rodrigues, Réunion
- Cycas aculeata K.D.Hill & H.T.Nguyen
- Cycas aenigma K.D.Hill & A.Lindstr.
- Cycas angulata R.Br.
- Cycas annaikalensis Rita Singh & P.Radha
- Cycas apoa K.D.Hill
- Cycas arenicola K.D.Hill
- Cycas armstrongii Miq.
- Cycas arnhemica K.D.Hill
- Cycas badensis K.D.Hill
- Cycas balansae Warb.
- Cycas basaltica C.A.Gardner
- Cycas beddomei Dyer
- Cycas bifida (Dyer) K.D.Hill
- Cycas bougainvilleana K.D.Hill
- Cycas brachycantha K.D.Hill, H.T.Nguyen & P.K.Lôc
- Cycas brunnea K.D.Hill
- Cycas cairnsiana F.Muell.
- Cycas calcicola Maconochie
- Cycas campestris K.D.Hill
- Cycas canalis K.D.Hill
- Cycas candida K.D.Hill
- Cycas cantafolia Jutta, K.L.Chew & Saw
- Cycas chamaoensis K.D.Hill
- Cycas chenii X.Gong & Wei Zhou
- Cycas chevalieri Leandri
- Cycas circinalis L.
- Cycas clivicola K.D.Hill
- Cycas collina K.D.Hill, H.T.Nguyen & P.K.Lôc
- Cycas condaoensis K.D.Hill & S.L.Yang
- Cycas conferta Chirgwin
- Cycas couttsiana K.D.Hill
- Cycas cupida P.I.Forst.
- Cycas curranii (J.Schust.) K.D.Hill
- Cycas darshii R.C.Srivast. & Jana
- Cycas debaoensis Y.C.Zhong & C.J.Chen
- Cycas desolata P.I.Forst.
- Cycas dharmrajii L.J.Singh
- Cycas diannanensis Z.T.Guan & G.D.Tao
- Cycas distans P.I.Forst. & B.Gray
- Cycas dolichophylla K.D.Hill, H.T.Nguyen & P.K.Lôc
- Cycas edentata de Laub.
- Cycas elephantipes A.Lindstr. & K.D.Hill
- Cycas elongata (Leandri) D.Y.Wang
- Cycas falcata K.D.Hill
- Cycas ferruginea F.N.Wei
- Cycas flabellata Agoo, Madulid & J.R.Callado
- Cycas fugax K.D.Hill, H.T.Nguyen & P.K.Lôc
- Cycas furfuracea W.Fitzg.
- Cycas glauca Miq.
- Cycas guizhouensis K.M.Lan & R.F.Zou
- Cycas hoabinhensis L.K.Phan & H.T.Nguyen
- Cycas hongheensis S.Y.Yang & S.L.Yang
- Cycas indica A.Lindstr. & K.D.Hill
- Cycas inermis Lour.
- Cycas javana (Miq.) de Laub.
- Cycas lacrimans A.Lindstr. & K.D.Hill
- Cycas lane-poolei C.A.Gardner
- Cycas laotica T.H.Nguyên & K.S.Nguyen
- Cycas lindstromii S.L.Yang, K.D.Hill & Hiep
- Cycas × longipetiolula D.Y.Wang
- Cycas maconochiei Chirgwin & K.D.Hill
- Cycas macrocarpa Griff.
- Cycas media R.Br.
- Cycas megacarpa K.D.Hill
- Cycas micholitzii Dyer
- Cycas micronesica K.D.Hill
- Cycas mindanaensis Agoo, Madulid & J.R.Callado
- Cycas montana A.Lindstr. & K.D.Hill
- Cycas × multifrondis D.Y.Wang
- Cycas multipinnata C.J.Chen & S.Y.Yang
- Cycas nathorstii J.Schust.
- Cycas nayagarhensis Rita Singh, P.Radha & Khuraijam
- Cycas nitida K.D.Hill & A.Lindstr.
- Cycas nongnoochiae K.D.Hill
- Cycas ophiolitica K.D.Hill
- Cycas orientis K.D.Hill
- Cycas orixensis (Haines) Rita Singh & Khuraijam
- Cycas pachypoda K.D.Hill
- Cycas panzhihuaensis L.Zhou & S.Y.Yang
- Cycas papuana F.Muell.
- Cycas pectinata Buch.-Ham.
- Cycas petrae A.Lindstr. & K.D.Hill
- Cycas platyphylla K.D.Hill
- Cycas pranburiensis S.L.Yang, W.Tang, K.D.Hill & P.Vatcharakorn
- Cycas pruinosa Maconochie
- Cycas pschannae R.C.Srivast. & L.J.Singh
- Cycas revoluta Thunb.
- Cycas riuminiana Porte ex Regel
- Cycas rumphii Miq.
- Cycas sancti-lasallei Agoo & Madulid
- Cycas saxatilis K.D.Hill & A.Lindstr.
- Cycas schumanniana Lauterb.
- Cycas scratchleyana F.Muell.
- Cycas seemannii A.Braun
- Cycas segmentifida D.Y.Wang & C.Y.Deng
- Cycas semota K.D.Hill
- Cycas seshachalamensis P.V.C.Rao, N.V.S.Prasad, P.M.Babu, K.Prassad & Prasanna
- Cycas sexseminifera F.N.Wei
- Cycas shanyaensis G.A.Fu
- Cycas siamensis Miq.
- Cycas silvestris K.D.Hill
- Cycas simplicipinna (Smitinand) K.D.Hill
- Cycas sphaerica Roxb.
- Cycas sundaica Miq. ex A.Lindstr. & K.D.Hill
- Cycas szechuanensis W.C.Cheng & L.K.Fu
- Cycas taiwaniana Carruth.
- Cycas tanqingii D.Y.Wang
- Cycas tansachana K.D.Hill & S.L.Yang
- Cycas terryana P.I.Forst.
- Cycas thouarsii R.Br.
- Cycas tropophylla K.D.Hill & P.K.Lôc
- Cycas tuckeri K.D.Hill
- Cycas vespertilio A.Lindstr. & K.D.Hill
- Cycas wadei Merr.
- Cycas xipholepis K.D.Hill
- Cycas yorkiana K.D.Hill
- Cycas zambalensis Madulid & Agoo
- Cycas zeylanica (J.Schust.) A.Lindstr. & K.D.Hill
Cycas L. appears in other Kew resources:
First published in Sp. Pl.: 1188 (1753)
Accepted by
- Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
- Lindstrom, A.J., Hill, K.D. & Stanberg, L.C. (2009). The genus Cycas (Cycadaceae) in Indonesia Telopea 12: 385-418.
Literature
Flora of Tropical East Africa
- Sp., Pl : 1188 (1753)
-
Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0
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Interactive Key to Seed Plants of Malesia and Indo-China
The Malesian Key Group (2010) Interactive Key to Seed Plants of Malesia and Indo-China (Version 2.0, 28 Jul 2010) The Nationaal Herbarium Nederland Leiden and The Royal Botanic Gardens Kew
-
Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0
-
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0