Pseudostriga cambodiana Bonati (Scrophulariaceae), a Genus and Species New to Thailand

4 Pages·2000·0.17 MB·English

by  Chuakul, Wongsatit

Notes
NAT. HIST. BULL. SIAM Soc. 48: 145-148，2 000
Pseudostriga cambodiana Bonati (Scrophulariaceae)，a G enus and
Species New to Thailand
Pseudostriga cambodiana Bonati is recorded for the first time in Thailand from Kaeng
Srikhot Village，S irindhon District，U bon Ratchathani Province. A description and
illustrations are provided.
This species has been previously reported from Cambodia (YA MAZAKI，1 985). The
genus 1S monotyp1c.
Pseudostriga cambodiana Bonati，N o .tSys .t1: 338 (1909); F .lGen. Indoch. 4・445
(1927); FI. du Cambodge，L aos，V ietnam 21: 186，P late 24，5 -10 (p. 187，1 985)
Annual herb，2 5-40c m high; stems cylindric，p ubescen .tLeaves simple，o pposite，
sessile; leaf blade oblong-lanceolate or linear-lanceolate，5 -10 by 1-2 mm，a pex acute，
base cuneate or obtuse，m argin entire，p ubescent on both sides. Flowers numerous in a
terminal spike; 5-10 cm long; bracts opposite or subopposite，t raingular-lanceolate，
acuminate，2 -3 mml ong; bracteoles 2，fi liform，2 -3 mml ong. Calyx spathiform，5 -9 by
1.5-2 mm. Corolla bilabiate，f unnelform，l ower part curved，9 -10 by 4--5m m，pi nk; upper
lip bilobed，ov ate，l ower lip trilobed; lobes broadly ovate; lateral lobes spreading. Stamens
4，a II fertile，f ree，d idynamous，i nserted below the middle of the corolla tube，a nthers
uniIoculate，wi th longitudinal1in，巴dorsifixed; upper part of filaments ciliate. Ovary oblong，
glabrous; style filiform; stigma claviform，o btuse. Capsule oblong-lanceolate，a cute，6 x 2
mm，lo culicidally dehiscent by two valves，w ith persistent calyx. Seeds cuneate-oblong or
cylindric，l ongitudinally striate. Figs. 1-4.
Distribution.-Northem Cambodia and Northeast Thailand.
Ecology.-In evergreen forest at the elevations of 260-430 m in Northeast Thailand.
Vernacular.-Chot khieo (I'il州1J1)
Uses.-The whole plant is used as hematinic by decoction in water.
Material studied.-Ubon Ratchathani，Si rindhon District，K aeng Srikhot Village，Wo ngsatit
1964 (BK)
Thanks are due to Mr. Subin Laokok for the ethnomedicinal use of this plant，
Mr. Phatyos Buddhacharoen for the line drawing，a nd Ia m most grateful to Assistant
Professor Chirayupin Chandraprasong for valuable suggestions.
Received 26 August 1998; accepted 6 March 2000.
145
146 NOTES
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Figllre 1. Pselldoslriga cOlllbodiono sonail.1 ，w holep lanl;2 ，1f 0werw ith calyx (a)，b racls( b)a ndb racl巴01巴(c);
3，c oorllao pened;4 ‘leaf: 5. Slamen: 6，pi Slil: 7. capslIle; 8s eed
NOTES 147
Figure2 . Pseudoslriga cOII/!Jodiol/αBonati，w hole Figure3 . Pselldoslriga cal/l!Jodial/{/ Bon日ti，flow巴i
planl
Figure4 . Pselldoslriga call/!Jodiω/(f Bonali‘fruil
148 N01官S
REFERENCES
YAMAZA悶，T. 1985. Scrophulariaceae. Flore du Cambodge du laos et du Vietnam，2 1，1 86-187.
Wongsatit Chuakul
Department of Phannaceutical Botany
Fac叫tyof Phぽmacy
Mahidol ul凶versity
447 Sri A抑止叫layaRoad，
Ratchathevi，B angkok 10400
Thailand