e-Flora of Thailand
Volume 2 > Part 3 > Year 1975 > Page 270 > Portulacaceae > Portulaca
3. Portulaca pilosa L.wfo-0000489258
Sp. Pl.: 445. 1753; Craib, Fl. Siam. En. 1: 109. 1925; Poelln. in Fedde, Rep. 37: 261. 1934; Geesink, Blumea 17: 294. 1969; in Fl. Males., Ser. 1, Spermat. 7: 131. 1971.
Accepted Name : This is currently accepted.
Description : Variable herbs. Leaves spirally arranged, obovate to linear, 2–30 mm long, with axillary hairs. Capitula 1–12-flowered. Flowers surrounded by bracteoles and hairs. Sepals up to 8 mm long. Petals 4–6. Stamens (6–)10–75. Style arms 4–8. Fruit ovate, globular or obovate; operculum 1 to ¾ as high as the fruit; seeds–5 testa cells elliptic to stellulate.
Key to the subspecies and the races
1. Ripe seeds bluish or grey 2
1. Ripe seeds red-brown, dark brown or shining black 4
2. Petals ca 25 mm; testa cells grey, some with a central nipple b. ssp. grandiflora
2. Petals up to 12 mm; testa cells without a central nipple 3
3. Petals pink to violet; seeds bluish; testa cells stellate with a pyramidal tubercle a. ssp. pilosa race “pilosa”
3. Petals yellow; seeds grey; testa cells elliptic, lobed, mostly without a tubercle a. ssp. pilosa race “tuberosa”
4. Testa cells stellate; stamens 25–45 a. ssp. pilosa race “pachyrhiza”
4. Testa cells with a central spine; stamens 20. Laos (type) ssp. lakhonensis (Gagn.) Geesink
1. Ripe seeds bluish or grey 2
1. Ripe seeds red-brown, dark brown or shining black 4
2. Petals ca 25 mm; testa cells grey, some with a central nipple b. ssp. grandiflora
2. Petals up to 12 mm; testa cells without a central nipple 3
3. Petals pink to violet; seeds bluish; testa cells stellate with a pyramidal tubercle a. ssp. pilosa race “pilosa”
3. Petals yellow; seeds grey; testa cells elliptic, lobed, mostly without a tubercle a. ssp. pilosa race “tuberosa”
4. Testa cells stellate; stamens 25–45 a. ssp. pilosa race “pachyrhiza”
4. Testa cells with a central spine; stamens 20. Laos (type) ssp. lakhonensis (Gagn.) Geesink