e-Flora of Thailand

Volume 7 > Part 3 > Year 2001 > Page 385 > Limnocharitaceae > Limnocharis

Limnocharis flava (L.) Buchenauwfo-0000683301

Abh. Naturwiss. Vereine Bremen 2: 2. 1868; Steenis, Fl. Males., Ser. 1, Spermat., 5: 119. 1954; Beijing, Fl. Reipubl. Popularis Sin. 8: 149, f. 57. 1992.— Alisma flava L., Sp. Pl. 1: 343. 1757. Fig. 15.


Accepted Name : This is currently accepted.



Synonyms & Citations :

Limnocharis flava var. indica Buchenau, Pflanzenr. 4, 16: 9. 1903.


Description : Herbs to 100 cm tall. Leaves pale green; blades oval to ovate, 6.5–28 by 3–20.8 cm, with 11–15 veins, apex round to mucronate, base round to cordate; petioles 12–85 by 0.4–1.5 cm, base with a sheath to 20 cm long. Inflorescence proliferating, with 3–12 flowers, 4.5–19 cm diam; peduncles mostly longer than petioles, 10–60 by to 2 cm; bracts lanceolate to ovate, 1.6–2.5 by 0.8–1.2 cm, apex round to mucronate; pedicels winged, inflated, 4–8 cm by 3–5 mm. Flowers ca 5 cm wide, sepals 1.6–1.7 by 1.2–1.4 cm, petals 2–2.5 by ca 1.5 cm, stamens numerous, in 2 or more series, anthers 1.2–1.9 by 0.2–0.6 mm, filaments ca 4.5 mm long, staminodes numerous, carpels 4.5–6 mm long. Fruits 11–16 by 5–8 mm; fruiting aggregate 1.1–1.6 by 1.4–2.4 cm. Seeds 1.1–1.3 mm long.


Thailand : NORTHERN: Kamphaeng Phet (Muang Phaya), Phrae; NORTH-EASTERN: Loei, Kalasin; CENTRAL: Krung Thep Maha Nakhon (Bangkok) (type of var. indica, M); SOUTH-EASTERN: Chon Buri (Sattahip); PENINSULAR: Surat Thani, Trang.


Distribution : Tropical America (type Caribbean Islands), introduced to S & SE Asia.


Ecology : In muddy soil or water to 0.5 m deep of streams, rivers, lakes, and marshes.


Vernacular : Bua loi (บัวลอย)(Mae Hong Son); bua khuak (บัวค้วก)(Northern); nang kwak (นางกวัก), talapat ruesi (ตาลปัตรฤๅษี)(Central); bon chin (บอนจีน)(Pattani).


Notes: The Asian collections have been separated as a distinct variety. After studying the genus throughout its entire range, I have determined the Asian plants to represent an introduced and naturalized population of the Neotropical population.


Main

Figure 15
Rachun Pooma (Bangkok)