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FOC | Family List | FOC Vol. 12 | Theaceae | Camellia

1. Camellia sect. Archecamellia Sealy, Rev. Gen. Camellia. 36. 1958.

古茶组 gu cha zu

Camellia sect. Chrysanthae Hung T. Chang; C. sect. Pleurocarpae Hung T. Chang.

Flowers axillary or subterminal, solitary or rarely paired, medium in size. Pedicel thick, erect; bracteoles 5-10, persistent. Sepals persistent. Corolla yellow or pale yellow, rarely red; inner petals basally connate and adnate to androecium. Stamens in 3-5 whorls; filaments filiform, puberulent or glabrous, basal 1/2 of outer whorl connate into a tube. Ovary apex sunken or 3-5-lobed; styles 3-5, distinct. Capsule apex sunken.

Eighteen species: S and SW China, Vietnam; ten species (seven endemic) in China.

Camellia aurea Hung T. Chang is in this section and is treated in FRPS (49(3): 103. 1998) as occuring in both Guangxi and Vietnam, but the species occurs only in Vietnam.

1 Ovary tomentose   (2)
+ Ovary glabrous   (3)
2 (1) Terminal bud large, terete, puberulent; leaf blade oblong-elliptic to oblong; flowers ca. 4 cm in diam.; bracteoles ± covering pedicel; seeds yellow pubescent.   1 C. chrysanthoides
+ Terminal bud small, ovoid, glabrous; leaf blade broadly obovate, obovate-elliptic, or elliptic; flowers 1.5-2.5 cm in diam.; bracteoles not covering pedicel; seeds glabrous.   2 C. micrantha
3 (1) Terminal buds oblong, large; current year branchlets, petioles, and abaxial surface of leaf blades pubescent; leaf blade midvein and secondary veins adaxially clearly impressed.   3 C. impressinervis
+ Terminal buds ovoid, small; current year branchlets, petioles, and abaxial surface of leaf blades glabrous; leaf blade midvein flat or slightly impressed and secondary veins adaxially not impressed, slightly impressed, or impressed   (4)
4 (3) Bracteoles 7-10; flowers (2-)5-6 cm in diam.; petals golden yellow, fleshy; capsule (1.5-)4-6 cm in diam   (5)
+ Bracteoles 5 or 6; flowers 1.5-4.5 cm in diam.; petals yellow or pale yellow, membranous; capsule 1.5-3.5 cm in diam. ((4-)6-8 cm in C. fascicularis)   (6)
5 (4) Pedicel (5-)10-15 mm; bracteoles spreading, not covering pedicel, glabrous; sepals glabrous or inside white puberulent, margin ciliolate.   4 C. petelotii
+ Pedicel ca. 5 mm; bracteoles appressed and covering pedicel, inside white sericeous; sepals inside white sericeous.   5 C. euphlebia
6 (4) Sepals yellowish green, membranous; petals 0.4-1 cm in diam.; capsule 1.5-3 cm in diam.; seeds glabrous   (7)
+ Sepals green, leathery; petals 0.8-4(-5) cm in diam.; capsule 2.5-3.5(-8) cm in diam.; seeds pubescent, pilose, or villous   (8)
7 (6) Leaf blade elliptic, obovate-elliptic, or oblong-ovate, secondary veins adaxially slightly impressed; sepals inside glabrous.   9 C. indochinensis
+ Leaf blade ovate, secondary veins adaxially visible to obscure; sepals inside white puberulent.   10 C. pingguoensis
8 (6) Petiole 0.3-1 cm; pedicel 3-5 mm, bracteoles ± covering pedicel.   8 C. flavida
+ Petiole 0.7-1.5 cm; pedicel 6-10 mm, bracteoles not covering pedicel   (9)
9 (8) Leaf blade 10-19.5 × 5-9.5 cm, apex abruptly and shortly caudate to caudate; sepals 7-9 mm; capsule globose to oblate, (4-)6-8 cm in diam.   6 C. fascicularis
+ Leaf blade 7.5-11.5 × 3-5 cm, apex shortly acuminate; sepals ca. 5 mm; capsule oblate, 3-3.5 cm in diam.   7 C. huana

Lower Taxa


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